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vomit

[vom-it]
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verb (used without object)
  1. to eject the contents of the stomach through the mouth; regurgitate; throw up.
  2. to belch or spew with force or violence.
verb (used with object)
  1. to eject from the stomach through the mouth; spew.
  2. to cast out or eject as if in vomiting; send out forcefully or violently: The volcano vomited flames and molten rock.
  3. to cause (a person) to vomit.
noun
  1. the act of vomiting.
  2. the matter ejected in vomiting.

Origin of vomit

1375–1425; late Middle English vomiten < Latin vomitāre, frequentative of vomere to discharge, vomit; akin to Greek emeîn (see emetic)
Related formsvom·it·er, nounvom·i·tive, adjectivevom·i·tous·ly, adverbun·vom·it·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for vomit

vomit

verb -its, -iting or -ited
  1. to eject (the contents of the stomach) through the mouth as the result of involuntary muscular spasms of the stomach and oesophagus
  2. to eject or be ejected forcefully; spew forth
noun
  1. the matter ejected in vomiting
  2. the act of vomiting
  3. a drug or agent that induces vomiting; emetic
Derived Formsvomiter, noun

Word Origin

C14: from Latin vomitāre to vomit repeatedly, from vomere to vomit
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 vomit

n.

late 14c., "act of expelling contents of the stomach through the mouth," from Latin vomitare "to vomit often," frequentative of vomere "spew forth, discharge," from PIE root *wem- "to spit, vomit" (cf. Greek emein "to vomit," emetikos "provoking sickness;" Sanskrit vamati "he vomits;" Avestan vam- "to spit;" Lithuanian vemiu "to vomit," Old Norse væma "seasickness"). In reference to the matter so ejected, it is attested from late 14c.

v.

early 15c.; see vomit (n.). Related: Vomited; vomiting.

Online Etymology Dictionary, © 2010 Douglas Harper

vomit in Medicine

vomit

(vŏmĭt)
v.
  1. To eject part or all of the stomach contents through the mouth, usually in a series of involuntary spasmic movements.
n.
  1. The act or an instance of ejecting matter from the stomach through the mouth.
  2. Matter ejected from the stomach through the mouth.
  3. An emetic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

vomit in Science

vomit

[vŏmĭt]
  1. Matter ejected from the stomach through the mouth, usually as a result of involuntary muscle contractions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.