I. ruck 1 /rʌk/ BrE AmE noun
1 . [countable] a group of ↑ rugby players trying to get the ball when it is lying on the ground
2 . the ruck formal ordinary events or people, which seem rather boring compared to the lives of rich or famous people:
Obtaining a good education was seen as a way out of the ruck.
3 . [singular] a group of people standing very closely together or fighting
4 . [countable] British English informal a fight
II. ruck 2 BrE AmE verb
ruck up phrasal verb
if a piece of cloth rucks up, or if you ruck it up, it forms folds in an untidy way
ruck something ↔ up
Your coat’s all rucked up at the back.