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tumbler

 - 3 dictionary results

tum⋅bler

[tuhm-bler]
–noun
1. a person who performs leaps, somersaults, and other bodily feats.
2. (in a lock) any locking or checking part that, when lifted or released by the action of a key or the like, allows the bolt to move.
3. a stemless drinking glass having a flat, often thick bottom.
4. (in a gunlock) a leverlike piece that by the action of a spring forces the hammer forward when released by the trigger.
5. Machinery.
a. a part moving a gear into place in a selective transmission.
b. a single cog or cam on a rotating shaft, transmitting motion to a part with which it engages.
6. a tumbling box or barrel.
7. a person who operates a tumbling box or barrel.
8. one of a breed of dogs resembling a small greyhound, used formerly in hunting rabbits.
9. Also called roller. one of a breed of domestic pigeons noted for the habit of tumbling backward in flight.
10. a toy, usually representing a fat, squatting figure, that is weighted and rounded at the bottom so as to rock when touched.
11. a tumbrel or tumble cart.

Origin:
1300–50; ME: acrobat; see tumble, -er 1 . Compare LG tümeler drinking-cup, kind of pigeon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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tum·bler   (tŭm'blər)   
n.  
  1. One that tumbles, especially an acrobat or gymnast.

    1. A drinking glass, originally with a rounded bottom.

    2. A flat-bottomed glass having no handle, foot, or stem.

    3. The contents of such a drinking glass.

    4. The drum of a clothes dryer.

    5. A tumbling box.

    6. A projecting piece on a revolving or rocking part in a mechanism that transmits motion to the part it engages.

    7. The rocking frame that moves a gear into place in a selective transmission, as in an automobile.

  2. A toy made with a weighted rounded base so that it can rock over and then right itself.

  3. One of a breed of domestic pigeons characteristically tumbling or somersaulting in flight.

  4. A piece in a gunlock that forces the hammer forward by action of the mainspring.

  5. The part in a lock that releases the bolt when moved by a key.

    1. The drum of a clothes dryer.

    2. A tumbling box.

    3. A projecting piece on a revolving or rocking part in a mechanism that transmits motion to the part it engages.

    4. The rocking frame that moves a gear into place in a selective transmission, as in an automobile.

    1. A projecting piece on a revolving or rocking part in a mechanism that transmits motion to the part it engages.

    2. The rocking frame that moves a gear into place in a selective transmission, as in an automobile.


[Sense 2a, from the fact that it would tumble if put down.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

tumbler 
c.1340, "acrobat," from tumble (v.). A fem. form was tumbester (c.1386). Meaning "drinking glass" is recorded from 1664, originally a glass with a rounded or pointed bottom which would cause it to "tumble," and thus it could not be set down until it was empty.
Online Etymology Dictionary, © 2001 Douglas Harper
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