2. (Anat.)

Defn: The kneepan; the cap of the knee.

3. (Zoöl.)

Defn: A genus of marine gastropods, including many species of limpets. The shell has the form of a flattened cone. The common European limpet (Patella vulgata) is largely used for food.

4. (Bot.)

Defn: A kind of apothecium in lichens, which is orbicular, flat, and sessile, and has a special rim not a part of the thallus.

PATELLAR
Pa*tel"lar, a. (Anat.)

Defn: Of or pertaining to the patella, or kneepan.

PATELLIFORM
Pa*tel"li*form, a. Etym: [Patella + form: cf. F. pattelliforme.]

1. Having the form of a patella.