Vomiting

from WordNet (r) 3.0 (2006)

vomiting
    n 1: the reflex act of ejecting the contents of the stomach
         through the mouth [syn: {vomit}, {vomiting}, {emesis},
         {regurgitation}, {disgorgement}, {puking}]

from The Collaborative International Dictionary of English v.0.48

Vomiting \Vom"it*ing\, n.
   The spasmodic ejection of matter from the stomach through the
   mouth.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Vomit \Vom"it\, v. i. [imp. & p. p. {Vomited}; p. pr. & vb. n.
   {Vomiting}.] [Cf. L. vomere, vomitum, and v. freq. vomitare.
   See {Vomit}, n.]
   To eject the contents of the stomach by the mouth; to puke;
   to spew.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

93 Moby Thesaurus words for "vomiting":
      abscess, ague, airsickness, anemia, ankylosis, anoxia, apnea,
      asphyxiation, asthma, ataxia, atrophy, backache, barf, bleeding,
      blennorhea, cachexia, cachexy, car sickness, chill, chills, colic,
      constipation, convulsion, coughing, cyanosis, diarrhea,
      disgorgement, dizziness, dropsy, dysentery, dyspepsia, dyspnea,
      edema, egesta, egestion, emaciation, fainting, fatigue, fever,
      fibrillation, flux, gagging, growth, heaves, heaving, hemorrhage,
      high blood pressure, hydrops, hypertension, hypotension, icterus,
      indigestion, inflammation, insomnia, itching, jaundice,
      labored breathing, low blood pressure, lumbago, mal de mer,
      marasmus, motion sickness, nasal discharge, nausea, necrosis, pain,
      paralysis, pruritus, puke, qualm, qualmishness, queasiness, rash,
      regurgitation, rheum, sclerosis, seasickness, seizure, shock,
      skin eruption, sneezing, sore, spasm, spew, squeamishness, tabes,
      tachycardia, tumor, upset stomach, vertigo, vomit, vomition,
      wasting