Definition of

Mouth

  1. (noun, artifact) the opening of a jar or bottle
  2. (noun, body) the externally visible part of the oral cavity on the face and the system of organs surrounding the opening
  3. (noun, body) the opening through which food is taken in and vocalizations emerge
  4. (noun, communication) an impudent or insolent rejoinder
  5. (noun, object) the point where a stream issues into a larger body of water
  6. (noun, object) an opening that resembles a mouth (as of a cave or a gorge)
    they built a fire at the mouth of the cave
  7. (noun, person) a person conceived as a consumer of food
  8. (noun, person) a spokesperson (as a lawyer)
  9. (verb, communication) express in speech
    This depressed patient does not verbalize
  10. (verb, communication) articulate silently; form words with the lips only
  11. (verb, contact) touch with the mouth

via WordNet, Princeton University

Origin of the word Mouth

  1. O.E. mu?, from P.Gmc. *munthaz (cf. O.Fris. muth, O.N. munnr, M.Du. mont, Ger. Mund, Goth. mun?s "mouth"), with characteristic loss of nasal consonant in O.E. (cf. tooth, goose, etc.), from PIE *mnto-s (cf. L. mentum "chin"). In the sense of "outfall of a river" it is attested from early 12c.; as the opening … more

via Online Etymology Dictionary, ©2001 Douglas Harper

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