Meaning of labium

la•bi•um

Pronunciation: (lā'bē-um), [key]
— pl. -bi•a
  1. a lip or liplike part.
    1. a lip or lip-shaped structure or part.
    2. any of the folds of skin bordering the vulva.
  2. the lower lip of a bilabiate corolla.
  3. the posterior, unpaired member of the mouthparts of an insect, formed by the united second maxillae.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: