Sexy lips?

• Liplike organs
• Insects' lower lips
• Word before majora or minora
• Corolla parts

Wiktionary Word definitions in Wiktionary
n. The folds of tissue at the opening of the vulva.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
from Latin labia , plural of labium "lip" (see lip (n.)). Specifically of the folds on either side of the vulva from 1630s ( labia pudendi ).

WordNet Word definitions in WordNet
n. any of the four lip-shaped folds of the female vulva [also: labia (pl)]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Labia \La"bi*a\, n. pl. See Labium .

Wikipedia Word definitions in Wikipedia
The labia are part of the female genitalia ; they are the major externally visible portions of the vulva . In humans, there are two pairs of labia: the labia majora (or the outer labia) are larger and fattier, while the labia minora are folds of skin between ...