n. & v.
n. 1 a rough or confused struggle; a brawl. 2 Amer. 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.
v. 1 intr. engage in a scrimmage. 2 tr. Amer. Football put (the ball) into a scrimmage. scrimmager n.
[ var. of SKIRMISH ]