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labium

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(lā′bē əm)

noun pl. labia

a lip or liplike organ; esp.,

the lower, liplike part of the corolla of certain flowers
the lower lip of an insect, formed by the fusion of the second maxillae

Origin: L, lip

See labium in American Heritage Dictionary 4

noun pl. la·bi·a (-bē-ə)

Anatomy Any of four folds of tissue of the female external genitalia.
Zoology
a. A liplike structure, such as that forming the floor of the mouth of certain invertebrates, especially insects.
b. The inner margin of the opening of a gastropod shell.
Botany One of the liplike divisions of a labiate corolla.

Origin:

Origin: Latin, lip; see leb- in Indo-European roots

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