From Longman Dictionary of Contemporary Englishruckruck1 /rʌk/ noun 1 DSO[countable] a group of rugby players trying to get the ball when it is lying on the ground2 → the ruck3 [singular] a group of people standing very closely together or fighting4 [countable] British English informal a fight
Examples from the Corpus
ruck• Richards used his feet vigorously in a ruck and as the locals took exception he was punched on the jaw.• On the stroke of half-time, Roy fell offside at a midfield ruck.• There's a rare old ruck before the police arrive.• Gloucester were offside at the ruck and Barnes kicked the goal.• It needed some spark to concentrate his mind, something to take him out of the ruck.• It could have turned into an ugly ruck pretty quickly.ruckruck2 verb → ruck up→ See Verb tableExamples from the Corpus
ruck• What needs to happen is for players to learn how to ruck and maul more efficiently.• But too often the pack failed to ruck as a unit. 