The lip of a labiate corolla;
(In Isoetes) a flap of tissue on the inner surface of the leaves above the sporangium, often covering the base of the ligule.
A fleshy border or edge.
Any of the four fleshy folds which surround the female genital organs.
A structure which looks like a lip.
Labia, liplike edge or liplike structure, especially the structures (labia majora and labia minora) enclosing the vulva.
Labium is the Latin word for a lip or lip-shaped organ.