labium
IPA: ɫɑbiʌm
noun
- (anatomy, usually in the plural) A liplike structure; especially one of the two pairs of folds of skin on either side of the vulva.
- (botany) The lip of a labiate corolla.
- (entomology) A lower mouthpart of an insect that is formed by the second pair of maxillae united in the middle line.
- (zoology) A liplike part of various invertebrates.
- (music) The lip against which pressured air is driven to produce sound in a recorder and in a pipe organ with flue pipes.