A throng or crowd of people or things; a mass, a pack.
2
In Australian rules football
3
The situation formed when a player carrying the ball is brought to the ground and one or more members of each side are engaged above the ball, trying to win possession of it; a loose scrum.
4
The common mass of people or things; the ordinary ranks.
verb
1
To act as a ruck in a stoppage in Australian rules football.