Lansdowne Road - the home stadium of the Irish national team in Dublin, Ireland.

League - a version of rugby played normally with 13 players under different laws than Rugby Union. The two codes deviated over professionalism and are usually contentious towards each other.

Lifting - the act of lifting the lineout jumper into the air in order to more easily catch or intercept the throw.

Lineout - the setplay restarting play after the ball has been taken out or kicked to touch. Both sets of forwards will line up opposite each other with the side with throw calling a play. The throw must be directly down the middle of the two lines.

Lock - either of the two forwards normally wearing No. 4 and No. 5. Typically the largest players on the field, they have primary responsibility for being the power in scrums and securing the ball in lineouts. Due to their size, they are also normally powerful forces in all loose play, rucks, and mauls. Also known as Second Row

Loosehead - the No. 1 prop in a scrum due to his head being outside the opposition's tighthead prop's shoulders. see prop

Loose Forwards - common names for the flankers and No. 8 in a forward pack.

Mark - a location on the pitch designated by the referee as the location a scrum should come together. Also a word a player will call while catching a kicked ball within his own 22 meter line. If awarded by the referee, that back is awarded a free kick.

Maul - typically after a runner has come into contact and the ball is still being held by a player once any combination of at least three players have bound themselves a maul has been set. The primary difference from a ruck is that the ball is not on the ground.

Melrose Cup - the trophy awarded the mens champions of the Rugby World Cup 7s.

Murrayfield - the home stadium of the national team of Scotland in Edinburgh, Scotland.

Number 8 - the forward who wears the jersey with the No. 8. This player binds into the scrum normally at the very base between the two locks. His/her responsibility is to initiate attacks by the forwards from scrums or to provide a stable ball from the scrum for the scrumhalf.

Offsides - during rucks, scrums, lineouts, and mauls an imaginary line is present over which any player crossing before the set piece is completed committs a penalty.

Outhalf/Outside half - the back wearing No. 10 who normally recieves the ball from the scrumhalf. Also called the Outhalf, Outside half or 1st 5/8th, he/she will call plays for the backline, pass the ball to other backs, or provide most of the tactical kicks. Also known as Flyhalf.

Outside Centre - the back wearing No. 13. see center