n. A small pan, vase, or dish.n. In anatomy, a small movable bone situated in front of the knee-joint, which it helps to form. Also called knee-pan, kneecap, rotula, or great sesamoid. See cuts under knee-joint, Catarrhina, and Elephantinæ.n. In zoology: A cotyle; a cup-like formation.n. A limpet of the genus Patella.n. In entomology, the first joint of the coxa.n. [capitalized] [NL.] In conchology, a Linnean genus of gastropods, type of the family Patellidæ, to which very different limits have been assigned.n. In botany, an orbicular apothecium with a marginal rim.