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Alteration of scrimmage, scrimish, scrimmish, variants of skirmish.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: An ordered formation of forwards, typically bending down, binding to one another with their arms, and pushing opponents shoulder to shoulder, in which each side aims to gain control of the ball; a scrum. Full definition →
Alteration of scrimmage, scrimish, scrimmish, variants of skirmish.
Etymology from Wiktionary, CC BY-SA 4.0.