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noun, plural jen·nies.
  1. spinning jenny.
  2. the female of certain animals, especially a female donkey or a female bird: a jenny wren.
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Origin of jenny1

First recorded in 1590–1600; generic use of Jenny, proper name


or jen·nie

noun, plural jen·nies. Nautical Slang.
  1. genoa.
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Origin of jenny2

shortening and alteration of Genoa


or Jen·ny

  1. a female given name, form of Jennifer.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for jenny


noun plural -nies
  1. a hand-operated machine for turning up the edge of a piece of sheet metal in preparation for making a joint
  2. the female of certain animals or birds, esp a donkey, ass, or wren
  3. short for spinning jenny
  4. billiards snooker an in-offSee long jenny, short jenny
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Word Origin

C17: from the name Jenny, diminutive of Jane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for jenny


fem. personal name, originally diminutive of Jane or Janet; attested from c.1600 as female equivalent of jack (n.), and like it applied to animals (e.g. Jenny wren, 1640s) and machinery (spinning jenny, 1783).

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Online Etymology Dictionary, © 2010 Douglas Harper