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throttle

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throt⋅tle

[throt-l] noun, verb, -tled, -tling.
–noun
1. Also called throttle lever. a lever, pedal, handle, etc., for controlling or manipulating a throttle valve.
2. throttle valve.
3. the throat, gullet, or windpipe, as of a horse.
–verb (used with object)
4. to stop the breath of by compressing the throat; strangle.
5. to choke or suffocate in any way.
6. to compress by fastening something tightly around.
7. to silence or check as if by choking: His message was throttled by censorship.
8. Machinery.
a. to obstruct or check the flow of (a fluid), as to control the speed of an engine.
b. to reduce the pressure of (a fluid) by passing it from a smaller area to a larger one.
9. at full throttle, at maximum speed.

Origin:
1350–1400; (v.) ME throtelen, freq. of throten to cut the throat of (someone), strangle, deriv. of throat; (n.) prob. dim. of ME throte throat; cf. G Drossel


throttler, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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Throttle
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throt·tle   (thrŏt'l)   
n.  
  1. A valve that regulates the flow of a fluid, such as the valve in an internal-combustion engine that controls the amount of vaporized fuel entering the cylinders.

  2. A lever or pedal controlling such a valve.

tr.v.   throt·tled, throt·tling, throt·tles
    1. To regulate the flow of (fuel) in an engine.

    2. To regulate the speed of (an engine) with a throttle.

  1. To suppress: tried to throttle the press.

  2. To strangle; choke.


[Short for throttle valve, from throttle, to strangle, choke, from Middle English throtelen, probably from throte, throat; see throat.]
throt'tler n.
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

throttle  (v.)
"strangle to death," c.1400, probably from M.E. throte "throat" (see throat). The noun, in the mechanical sense, is first recorded 1870s, from throttle-valve (1824), but was used earlier as a synonym for "throat" (1547); it appears to be an independent formation, not derived from the verb.
Online Etymology Dictionary, © 2001 Douglas Harper
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