I make this glossary in the context of an english translating course.
10 meter line
Noun
The two dotted lines parallel to the halfway line and 10 meters far from it.
Example: The ball must cross the 10 meter line after each kick-off
fr: La ligne des 10 mètres/La ligne des 40 mètres
22 meter line
Noun phrase
The two lines parallel to the goal lines and 22 meters far from each.
Example: He kicked directly into touch as he was located just beyond the 22 meter line
fr: La ligne des 22 mètres
5 meter line
Noun phrase
The two dotted lines parallel to the goal lines and 5 meters far from each. It can also be those that are parallel to the touch lines and 5 meters far from each.
Example: He get the ball back into his own in-goal area before grounding so this will give a scrum on the 5 meter line to the opponents.
fr: La ligne des 5 mètres
A chip kick
Noun phrase
A kick over the defence in order to catch it in their back
fr: Un coup de pied par-dessus
A conversion
Noun
The goal attempts that can give two points after a try
Example: The fly-half scored the conversion and became best Six Nations scorer
fr: Une transformation
A cross-field kick
Noun phrase
To kick the ball directly towards the winger
Example: Nevertheless, it was them who scored first, when winger Sylvan Hirsch chased down a perfectly placed cross-field kick by the brilliant Simon Perrod, at just the 4th minute of play.
fr: Une diagonale au pied, un coup de pied dans la diagonale
A drop goal attempt
Noun phrase
When you try drop kicking the ball between the posts.
Example: Worcester have a drop goal attempt, but its pushed to the right.
fr: Une tentative de drop
A drop kick
Noun
A kick made by dropping the ball and kicking it as it bounces up from the ground.
Example: His drop kick in the 2003 World Cup final would win the cup for England.
fr: Un drop
A dummy pass
Noun
To make the defender believe you will give a pass in order to make him go the wrong way
fr: Une feinte de passe
A fend-off/hand-off
Noun
To push a player with the arm in order to break his tackle
fr: Un raffut
A foul
Noun
An unfair or invalid stroke or piece of play, especially one involving interference with an opponent.
Example: To avoid the brutish reputation of sports such as rugby, Naismith declared that rough physical contact of any kind would be punished with a foul.
fr: Une faute
A foul play
Noun phrase
unfair play in a game or sport.
Example: The referee judged that it was a foul play
fr: Un jeu déloyal
A kick-off
Noun
Kick-offs are used to start each half of the match or period of extra-time. It's made by using the drop kick technic.
Example: 30% of spectators have entered the stadium, the rugby match kick-off is at 20:30.
fr: Un coup d'envoi
A knock-on
Noun
When a player unintentionally drops the ball forward from his hand and lets it touch the ground or another player.
Example: The pass was great but he made a knock-on due to the rain.
fr: Un en-avant
A line-out
Noun
The lineout is a means of restarting the game after the ball, or a player carrying the ball, crosses the touchline.
Example: The line-out is an essential phase in rugby.
fr: Une touche
A maul
Noun
A maul occurs when the ball carrier is held by one or more opponents and one or more of the ball carrier’s team-mates holds on (binds) as well (a maul therefore needs a minimum of three players).
Example: A player must not charge into a ruck or maul.
fr: Un maul
A pass
Noun
The action that consist of giving the ball to another player with the hands
Example: Number 9 gave a wonderful pass directly to his winger.
fr: Une passe
A penalty
Noun
Infringements of the Laws which have a material and significant impact on the opposition are punished by a penalty.
Example: A Beginners's Guide to Rugby Union: Penalty and free kick
fr: Une pénalité
A penalty try
Noun phrase
When the referee award a team a try because of an opponents foul play
Example: Wayne Barnes gave a penalty try to england after Ireland collapsed the maul on purpose.
fr: Un essai de pénalité
A ruck
Noun
A ruck is formed if the ball is on the ground and one or more players from each team who are on their feet close around it.
Example: A player must not charge into a ruck or maul.
fr: Un ruck, une mêlée spontanée
A scrum
Noun
The scrum is a means of restarting play after a stoppage which has been caused by a minor infringement of the Laws (for example, a forward pass or knock-on) or the ball becoming unplayable in a ruck or maul. The scrum serves to concentrate all the forwards and the scrum-halves in one place on the field, providing the opportunity for the backs to mount an attack using the space created elsewhere.
Example: The front row of a scrum must not rush against its opponents.
fr: Une mêlée (ordonnée)
A tackle
Noun
A tackle is used by the defending team to stop the attacking team moving forward and is an opportunity for the defending team to contest for possession of the ball.
Example: He received a yellow card after giving this high tackle on the number 12.
fr: Un plaquage
A TMO check
Noun phrase
When the referee requests the TMO to check a potential foul play or try
fr: Un arbitrage vidéo
A touch judge
Noun phrase
The two referees who insure to signal any line-out.
fr: Le juge de touche/L'arbitre de touche
A try
Noun
When a player grounds the ball in the opponent's in goal
Example: The french team finally scored the try and won this quarter final.
fr: Un essai
An inside/outside step
Noun phrase
To step at left or right in order to avoid a player
fr: Un crochet intérieur/extérieur
An offload
Noun
To make a pass while a defender is tackling you
Example: He was excellent in his last game against Fiji, including one spectacular offload to put Josh Adams over.
fr: Une passe après le contact
Forward pass
Noun phrase
To give a pass forward according to the different lines and the direction of the in-goal area.
Example: The referee said it was a forward pass but this will probably be a controversial decision.
fr: Un en-avant de passe
Full-time
Noun
When the referee whistles the end of the match
Example: It's full-time, both teams haven't been able to pull ahead.
fr: Fin du match
Half-time
Noun
The break between two halves of the match
Example: The coach we'll have a lot to tell to his team during half-time
fr: La mi-temps
Halfway line
Noun phrase
The line which split the playing area into two parts
Example: The number 10 kicked off on the halfway line.
fr: La ligne médiane
Not rolling away
Phrasal verb
When a takler do not leave the player tackled on the ground.
Example: You're sanctioned for not rolling away.
fr: Ne sors pas (du ruck)
Offside
Noun
In a position where playing the ball is not allowed.
Example: The player was offside before making this interception so the try won’t be awarded.
fr: Hors-jeu
On-field decision
Noun phrase
The decision made by the referee before checking the TMO.
Example: My on-field decision is a try but i want to check if the number 10 is offside when the number 9 is kicking the ball.
fr: La décision terrain
Television Match Officer/Official (TMO)
Noun phrase
The TMO is someone who watches the match action on TV screens, usually in a truck outside the ground.
Example: The International Rugby Board (IRB) and its Member Unions have underscored their ongoing commitment to consistent and accurate match officiating by approving a global trial to extend the powers of the television match official (TMO).
fr: L'arbitre-vidéo
The crossbar
Noun
The horizontal metal bar of each structures over which you must pass the ball during a penalty, a drop-goal attempt, or a conversion.
Example: This awesome 55 meter dropkick hit the crossbar and gave three extra points to his team.
fr: La barre
The field of play
Noun
The field of play is the area delimited by the touch lines and the goal lines. It is 94 to 100 metres long and from 68 to 70 metre wide according to the World Rugby rules.
Example: The ball left the field of play
fr: Le champ de jeu
The first half
Noun phrase
The first 40 minutes of a match
Example: The Chiefs lead 25-07 after the first half.
fr: La première mi-temps
The fly-half
Noun
The player who organize the backs (number 10)
Example: It often feels too easy to focus on the fly-half battle but this Saturday it is hard to look anywhere else as Romain Ntamack lines up against Peter Horne.
fr: Le demi d'ouverture
The forwards
Noun
The players from number 1 to 8 who play the scrums
Example: The forwards really did the job during the first half.
fr: Les avants
The front row
Noun phrase
The players from number 1 to 3
Example: The front row needs to support all the strenght during a scrum
fr: La première ligne
The fullback
Noun
The fullback usually stands towards the back of the field.
Example: Italy fullback Edoardo Padovani and Rugby Club Toulonnais parted ways before the end of his contract, of one accord.
fr: L'arrière
The goal line
Noun phrase
The two lines parallel to the halfway line that delimit the start of the in-goal area and that are part of it.
Example: After this breakthrough, the number 8 didn’t manage to reach the goal line, even by extending his arm.
fr: La ligne d’en-but
The half-back
Noun
Number 9 and 10
Example: Antoine Dupont and Romain Ntamack will combine as the half-back pairing for France.
fr: La charnière
The head coach
Noun phrase
The coach which lead the strategies and select the players who will start the match.
Example: The head coach won’t be happy after the bad performance of his team.
fr: Le sélectionneur
The hooker
Noun
The central player in the front row.
Example: Referee said the hooker's throw wasn't straight.
fr: Le talonneur
The in-goal
Noun
The two areas on each extremities, delimited by the goal line, the touch goal lines and the dead-ball line.
Example: She forgot that there is no offside rule in the in-goal.
fr: L'en-but
The inside/outside center
Noun phrase
The number 12
Example: Daniel William Carter is a rugby player from New-Zealand who plays fly-half or inside center.
fr: Le premier/second centre
The left flanker/right flanker
Noun phrase
The players respectively at left and right in the third row
fr: Le troisième-ligne aile (numéro 6 et 7)
The left lock
Noun phrase
The left player in the second row
fr: Le deuxième ligne (numéro 4)
The left prop
Noun phrase
The number one and left player in the front row
Example: Currently playing for Union Bordeaux-Bègles as a left prop, he has signed a three-year contract with RCT.
fr: Le pilier gauche
The left/right winger
Noun phrase
Number 11 and 14 playing on the wings.
Example: As a student he was a right-winger in rugby.
fr: L'ailier gauche/droit
The number eight
Noun phrase
The player in the center of the third row
fr: Le troisième-ligne centre
The playing area
Noun
The area delimited by the touch lines, the touch-goal lines and the dead-ball lines. Those lines aren't part of the playing area.
Example: The player stepped on the touch line which is not part of the playing area.
fr: L'aire de jeu
The posts/ the goal posts
Noun phrase
The vertical metal bars of each structures between which you must pass the ball during a penalty, a drop-goal attempt, or a conversion.
Example: That is a great try under the posts!
fr: Les poteaux, les perches
The referee
Noun
An official who watches a game or match closely to ensure that the rules are adhered to and (in some sports) to arbitrate on matters arising from the play.
Example: He was referee for the 2015 Rugby World Cup final in England.
fr: L'arbitre
The right lock
Noun phrase
The right player in the second row
fr: Le deuxième ligne (numéro 5)
The right prop
Noun phrase
The right player in the front row
fr: Le pilier droit
The Scrum-half
Noun
The player who introduces the ball in the scrum (number 9)
Example: "For me the scrum-half is the natural captain of a team, he is the leader of the game," said coach Bernard Laporte.
fr: Le demi-de-mêlée
The second half
Noun phrase
The last 40 minutes of a match
Example: We can say they almost lost the match during the second half
fr: La deuxième mi-temps
The second row
Noun phrase
The two players in the middle of the scrum
Example: On the other side, Ireland lock James Ryan has emerged as one of the best second rows in world rugby, and yet on the fantasy game you can find 13 second rows more expensive than the lanky Leinsterman.
fr: La deuxième ligne
The third row
Noun phrase
The back row in a scrum
fr: La troisième ligne
The three-quarter backs
Noun phrase
The players from number 11 to 14 (or 15)
Example: Matt Giteau has accepted a player-coach role and takes charge of the three-quarters.
fr: Les trois-quarts
The touch line
Noun phrase
The two lines perpendicular to the halfway line which delimit the playing area.
Example: He unfortunately stepped on the touch line before grounding the ball.
fr: La ligne de touche
To tackle
Verb
To make a tackle
Example: He managed to tackle the most impressive player of this team.