a confused struggle or fight 混战；群架；你争我夺 (in American football 美式足球 a period of play that begins with the ball being placed on the ground 并列争球 - (North American English)
a practice game of American football, basketball, etc. （美式足球、篮球等的）队内分组对抗赛，教学比赛
Word Originlate Middle English: alteration of dialect scrimish, variant of the noun skirmish.