scrimmage

A practice session or informal game, as between two units of the same team.

Play between the two teams from the time the ball is snapped until it is declared dead.

The line of scrimmage.

A rough-and-tumble struggle; a tussle.

A skirmish.

To engage in a scrimmage.

To play (another group of players) in a scrimmage.

A skirmish; a confused row or contest; a tussle.