Definition of 'tumbler'

Noun

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

---

Get this dictionary without ads as part of the e-Tutor Virtual Learning Program.