Defenition of the word tumbler

Defenition of the word tumbler
- An athlete who performs acts requiring skill, agility and coordination.
- A movable part in a lock, which is moved by a key for locking or unlocking.
- pigeon that executes backward somersaults in flight or on the ground
- a glass with a flat bottom but no handle or stem; originally had a round bottom
- a movable obstruction in a lock that must be adjusted to given position (as by a key) before the bolt can be thrown
- a gymnast who performs rolls and somersaults and twists etc.
- a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown