Definitions
1.NounA throng or crowd of people or things; a mass, a pack. .mw-parser-output .defdate{font-size:smaller}
2.NounIn Australian rules football
A contest in games in which the ball is thrown or bounced in the air and two players from opposing teams attempt to give their team an advantage, typically by tapping the ball to a teammate.
A player who competes in said contests; a ruckman or ruckwoman.
Either of a ruckman or a ruck rover, but not a rover.
Any one of a ruckman, a ruck rover or a rover; a follower.
3.NounA contest in games in which the ball is thrown or bounced in the air and two players from opposing teams attempt to give their team an advantage, typically by tapping the ball to a teammate.
4.NounA player who competes in said contests; a ruckman or ruckwoman.
5.NounEither of a ruckman or a ruck rover, but not a rover.
6.NounAny one of a ruckman, a ruck rover or a rover; a follower.
7.NounThe 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.
8.NounThe common mass of people or things; the ordinary ranks.
9.NounAn argument or fight.
10.VerbTo act as a ruck in a stoppage in Australian rules football.
11.VerbTo contest the possession of the ball in a ruck.
12.VerbTo crease or fold.
13.VerbTo become creased or folded.
14.NounA crease, a wrinkle, a pucker, as on fabric.
15.VerbTo cower or huddle together; to squat; to sit, as a hen on eggs.
16.NounObsolete form of roc.
17.NounA rucksack; a large backpack.
18.VerbTo carry a backpack while hiking or marching.
19.NounA small heifer.