Tumbler



GRE

解释

GRE 红宝书

• n. 平底无脚杯
• ［英］ n. 平底无脚杯 ( a flat-bottomed drinking glass)
• ［记］ tumbl ( 跳舞, 跌落) +er

Webster Collegiate

noun

• Date: 14th century
• 1. one that tumbles: as
  • a. one who performs tumbling feats ; acrobat
  • b. any of various domestic pigeons that tumble or somersault backward in flight or on the ground
• 2. a drinking glass without foot or stem and originally with pointed or convex base
• 3.
  • a. a movable obstruction in a lock (as a lever, latch, wheel, slide, or pin) that must be adjusted to a particular position (as by a key) before the bolt can be thrown
  • b. a piece on which the mainspring acts in a gun's lock
• 4. a device or mechanism for tumbling (as a revolving cage in which clothes are dried)
• 5. a worker who operates a tumbler
• ? tumblerful noun

---