form or take part in a scrum

the two men scrummed down together for University College, Dublin

an ordered formation of players, used to restart play, in which the forwards of a team form up with arms interlocked and heads down, and push forward against a similar group from the opposing side. The ball is thrown into the scrum and the players try to gain possession of it by kicking it backwards towards their own side

a disorderly crowd of people or things

there was quite a scrum of people at the bar

a set of practices used in agile project management that emphasize daily communication and the flexible reassessment of plans that are carried out in short, iterative phases of work