labium definition

  • noun:
    • Anatomy some of four folds of structure of feminine exterior genitalia.
    • Zoology A liplike framework, such that forming the floor of the lips of certain invertebrates, specially pests.
    • Zoology The inner margin of the orifice of a gastropod shell.
    • Botany among liplike divisions of a labiate corolla.
    • A liplike structure; especially one of the two sets of folds of skin either region of the vulva.
    • The lip of a labiate corolla.
    • The lip against which pressured environment is driven in a flue pipeline in an organ.
    • A lip, or liplike organ.
    • The lip of an organ pipe.
    • The folds of integument in the opening of vulva.
    • The organ of bugs which takes care of the mouth beneath, and functions as an under lip. It consists of the next pair of maxillæ, generally closely united in the middle line, but bearing a set of palpi generally in most pests. It often is comprised of a thin anterior component (ligula or palpiger) and a firmer posterior plate (mentum).
    • Inner margin associated with aperture of a shell.
    • In physiology and zoology, a lip or lip-like part. Particularly.
    • In bot:
    • The lower or anterior lip of a bilabiate corolla
    • In Isoëtes, a lip-like structure formed by the lower margin of the foveola.
    • [capitalized] A genus of ichneumon-flies, with one small brand new Guinean species
    • a liplike structure that bounds a bodily orifice (especially some of the four labiate folds of a lady's vulva)

Related Sources

  • Sentence for "labium"
  • Cross Reference for "labium"
  • Medical Dictionary for "labium"
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