- 1a glass for drinking out of, with a flat bottom, straight sides, and no handle or stem
- 2(also tumblerful NAmE//ˈtʌmblərˌfʊl//) the amount held by a tumbler
- 3(old-fashioned) an acrobat who performs somersaults (= a jump in which you turn over completely in the air)
Check pronunciation: tumbler