(n.) A piece of ground used for recreation; as, the playground of a school.

archery ground athletic field badminton court baseball field basketball court billiard parlor bowling alley bowling green course court cricket ground croquet ground croquet lawn diamond fairway field football field glaciarium golf course golf links gridiron gym gymnasium ice rink infield links outfield oval playing field playroom polo ground pool hall poolroom putting green racecourse racket court rink skating rink soccer field squash court stretch tennis court track turf