tumbler
Word family nountumblertumblerfultumblingtumblebugtumblehometumbleweedadjectivetumbledownverbtumble
Utensils, Performing
tum·bler /ˈtʌmblə $ -ər/ noun [countableC] 1. 
DFUa glass with a flat bottom and no handle 〔无柄平底的〕玻璃杯 →5 see picture at 见图 glass1
DFUa glass with a flat bottom and no handle 〔无柄平底的〕玻璃杯 →5 see picture at 见图 glass12. (also tumblerful /-fʊl/ British EnglishBrE)AMOUNT the amount of liquid that this type of glass can contain 一平底玻璃杯的容量
3. old-fashionedAP someone who performs special movements such as doing somersaults (=a jump in which you turn over completely in the air) 杂技演员 SYN acrobat
Examples from the Corpus
tumbler• The Gold Cadillac margarita is actually served in a tumbler over ice cubes with no salt anywhere to be seen.• The packet contained two smaller packets - one blue, one white, which were mixed together in a tumbler of water.• In both hands he held steady a glass tumbler drained to the ice.• The wine glasses, tumblers, pipes and so on were articles which each painter handled regularly in the course of day-to-day life.• I stand three feet from the glassware and count the tumblers lined up on a towel.
1. (1300-1400) tumble;
2. because it was originally made with a round or pointed bottom