tumbler
Nouns
- (n) a gymnast who performs rolls and somersaults and twists etc.
- (n) a glass with a flat bottom but no handle or stem; originally had a round bottom
- (n) a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown
- (n) pigeon that executes backward somersaults in flight or on the ground tumbler pigeon, roller,