toothache

from WordNet (r) 3.0 (2006)

toothache
    n 1: an ache localized in or around a tooth [syn: {toothache},
         {odontalgia}]

from The Collaborative International Dictionary of English v.0.48

Toothache \Tooth"ache`\, n. (Med.)
   Pain in a tooth or in the teeth; odontalgia.
   [1913 Webster]

   {Toothache grass} (Bot.), a kind of grass ({Ctenium
      Americanum}) having a very pungent taste.

   {Toothache tree}. (Bot.)
   (a) The prickly ash.
   (b) A shrub of the genus {Aralia} ({Aralia spinosa}).
       [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

26 Moby Thesaurus words for "toothache":
      ache, aching, angina, backache, bellyache, cephalalgia, colic,
      collywobbles, earache, fret, gnawing, gripe, gripes, gut-ache,
      headache, heartburn, hemicrania, megrim, migraine, odontalgia,
      otalgia, pyrosis, sick headache, splitting headache, stomachache,
      throbbing pain

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