[ ley-bee-uhm ]
See synonyms for labium on
noun,plural la·bi·a [ley-bee-uh]. /ˈleɪ bi ə/.
  1. a lip or liplike part.

  2. Anatomy.

    • a lip or lip-shaped structure or part.

    • any of the folds of skin bordering the vulva.

  1. Botany. the lower lip of a bilabiate corolla.

  2. Entomology. the posterior, unpaired member of the mouthparts of an insect, formed by the united second maxillae.

Origin of labium

1590–1600; <Latin: lip, akin to lambere to lick, lap3. See labrum1, lip

Other words from labium

  • pseu·do·la·bi·um, noun, plural pseu·do·la·bi·a.

Words Nearby labium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use labium in a sentence

British Dictionary definitions for labium


/ (ˈleɪbɪəm) /

nounplural -bia (-bɪə)
  1. a lip or liplike structure

  2. any one of the four lip-shaped folds of the female vulva: See labia majora, labia minora

  1. the fused pair of appendages forming the lower lip of insects

  2. the lower lip of the corolla of labiate flowers

Origin of labium

C16: New Latin, from Latin: lip

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for labium


[ bē-əm ]

Plural labia
  1. Either of two pairs of folds of tissue that make up part of the external genitalia of female mammals.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.