scrimmage

1. A rough fight.

   get caught up in a scrimmage

   a noisy riotous fight

2. (US)In some team sports, especially soccer, a practice game which does not count on a team's record.

3. In American football or Canadian football, a play that begins with a snap from the center while opposing teams are on either side of a line of scrimmage.

   (American football) practice play between a football team's squads

regular