The grouping of a population based on ethnicity, economics or religion.
The undesirable contiguous grouping of elements in a hash table.
A grouping of a number of similar things.
A prewriting technique consisting of writing ideas down on a sheet of paper around a central idea within a circle, with the related ideas radially joined to the circle using rays.
Forming a cluster.
The common mass of people or things; the ordinary ranks.
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.
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 become folded.
To contest the possession of the ball in a ruck.
To carry a backpack while hiking or marching.
To crease or fold.