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