1a confused struggle or fight:there was a considerable scrimmage, with people anxious to obtain cabs
2 [mass noun] American Football a sequence of play beginning with the placing of the ball on the ground with its longest axis at right angles to the goal line:Michigan was called for pass interference in the first play from scrimmage
[count noun] chiefly American Football a session in which teams practise by playing a simulated game.
[no object] chiefly American Football
engage in a scrimmage:I recommended that we be able to scrimmage against other schools during the spring
[with object] put (the ball) into a scrimmage.
late Middle English: alteration of dialect scrimish, variant of the noun skirmish
scrimmage in other Oxford dictionaries
Definition of scrimmage in the US English dictionary