spring training (uncountable)
- (baseball) A set of practices and exhibition games for each Major League Baseball team, preceding the start of the regular season, which are used by a manager to determine the roster for the regular season.
- Spring training for the Cactus League begins tomorrow.
- (noun adjunct, baseball) Of or pertaining to the set of practices and exhibition games preceding the start of the regular season.
- The spring training schedule has been released.