noun. Any of four folds of tissue of the female external genitals.

noun. undefined

noun. A liplike structure, such as that forming the floor of the mouth of certain invertebrates, especially insects.

noun. The inner margin of the opening of a gastropod shell.

noun. One of the liplike divisions of a bilabiate corolla.

noun. In anatomy and zoology, a lip or lip-like part. Specifically.

noun. In bot:

noun. The lower or anterior lip of a bilabiate corolla

noun. In Isoëtes, a lip-like structure formed by the lower margin of the foveola.

noun. [capitalized] A genus of ichneumon-flies, with one small New Guinean species

noun. A lip, or liplike organ.

noun. The lip of an organ pipe.

noun. The folds of integument at the opening of the vulva.

noun. undefined

noun. The organ of insects which covers the mouth beneath, and serves as an under lip. It consists of the second pair of maxillæ, usually closely united in the middle line, but bearing a pair of palpi in most insects. It often consists of a thin anterior part (ligula or palpiger) and a firmer posterior plate (mentum).

noun. Inner margin of the aperture of a shell.

noun. A liplike structure; especially one of the two pairs of folds of skin either side of the vulva.

noun. The lip of a labiate corolla.

noun. The lip against which pressured air is driven in a flue pipe in an organ.

noun. a liplike structure that bounds a bodily orifice (especially any of the four labiate folds of a woman's vulva)

"At the tip of the labium are the labellæ, two little lobes which serve to guide the piercing organs."

labia cerebri  

labia majora  labia minora  

labia