Main Entry: la·bi·um

Pronunciation: \ˈlā-bē-əm\

Function: noun

Inflected Form(s): plural la·bia \-ə\

Etymology: New Latin, from Latin, lip — more at lip

Date: 1634

1 : any of the folds at the margin of the vulva — compare labia majora, labia minora
2 : the lower lip of a labiate corolla
3 a : a lower mouthpart of an insect that is formed by the second pair of maxillae united in the middle line b : a liplike part of various invertebrates