labia

[ley-bee-uh] /ˈleɪ bi ə/
noun
1.
plural of labium.

labium

[ley-bee-uh m] /ˈleɪ bi əm/
noun, plural labia
[ley-bee-uh] /ˈleɪ bi ə/ (Show IPA)
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.
Origin
1590-1600; < Latin: lip, akin to lambere to lick, lap3. See labrum1, lip
Related forms
pseudolabium, noun, plural pseudolabia.
British Dictionary definitions for labia

labia

/ˈleɪbɪə/
noun
1.
the plural of labium

labium

/ˈleɪbɪəm/
noun (pl) -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
3.
the fused pair of appendages forming the lower lip of insects
4.
the lower lip of the corolla of labiate flowers
Word Origin
C16: New Latin, from Latin: lip
Word Origin and History for labia
n.

from Latin labia, plural of labium "lip" (see lip (n.)). Specifically of the folds on either side of the vulva from 1630s (labia pudendi).

labium

n.

1590s, plural labia, from Latin labium "lip" (see lip (n.)).

labia in Medicine

labium la·bi·um (lā'bē-əm)
n. pl la·bi·a (-bē-ə)

  1. A lip or lip-shaped anatomical structure.

  2. Any of four folds of tissue of the female external genitalia.

labia in Science
labium
  (lā'bē-əm)   
Plural labia
Either of two pairs of folds of tissue that make up part of the external genitalia of female mammals.