Labia n. pl. : See Labium.

Labia pl. : of Labium

Example:
Can you have Labia reduction surgery without it being considered a cosmetic procedure?

Taxonomy
Labium, minora, free encyclopedia, majora, lip, female external genitalia, skin, cultures, languages, navs, sagittal section, Female reproductive system, search, derivatives, the English language, considerations, waxing, laser methods.

Defination from the web:
labia majora are lip-like structures comprised mostly of skin and adipose tissue, which extend on either side of the vulva to form the cleft of venus through the middle. ... cultures and locations all over the world, the labia, as part of the genitalia, are considered private, or ...