To become folded.
To contest the possession of the ball in a ruck.
To carry a backpack while hiking or marching.
To crease or fold.
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.
Any one of a ruckman, a ruck rover or a rover; a follower.
The common mass of people or things; the ordinary ranks.
A small heifer.
An argument or fight.
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.
A player who competes in said contests; a ruckman or ruckwoman.
A rucksack; a large backpack.
A throng or crowd of people or things; a mass, a pack.
A crease, a wrinkle, a pucker, as on fabric.
To undo a folding.
To release from a fold or pen.
To turn out; to happen; to develop.
To open (anything covered or closed); to lay open to view or contemplation; to bring out in all the details, or by successive development.
To reveal.
In functional programming, a kind of higher-order function that is the opposite of a fold.