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Synonyms

labium

American  
[ley-bee-uhm] / ˈleɪ bi əm /

noun

plural

labia

  1. a lip or liplike part.

  2. Anatomy.

    1. a lip or lip-shaped structure or part.

    2. any of the folds of skin bordering the vulva.

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

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

labium British  
/ ˈleɪbɪəm /

noun

  1. a lip or liplike structure

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

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

  4. the lower lip of the corolla of labiate flowers

"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
labium Scientific  
/ lā′bē-əm /

plural

labia

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

Other Word Forms

  • pseudolabium noun

Etymology

Origin of labium

1590–1600; < Latin: lip, akin to lambere to lick, lap 3. See labrum 1, lip

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Under side of head of Diplax, with the labium or mask fully extended. x, x', x''the three subdivisions of the labium. y, the maxillæ or second pair of jaws.

From Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses by Packard, A. S. (Alpheus Spring)

Testa cylindrica, polita; spira conica, acuminata, brevissima; labium exterius simplex, interius incrassatum, tumidum; columella plicis numerosis gracilibus; apertura basi truncata, emarginata.

From Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals by Swainson, William

So also are the maxillæ and labium, though we are not aware that any one has indicated how close the homology is.

From Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses by Packard, A. S. (Alpheus Spring)

Elinguata: without a tongue: forms in which the maxillae are connate with the labium: see synista.

From Explanation of Terms Used in Entomology by Smith, John. B.

The labium is not developed from a pair of tubercles, as is usual, but at once appears as an unpaired, or single organ.

From Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses by Packard, A. S. (Alpheus Spring)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.