Biology A fleshy naked outgrowth, such as a fowl's wattles.
Botany An outgrowth or appendage at or near the hilum of certain seeds, as of the castor-oil plant.
[Obsolete French caruncule, from Latin caruncula, diminutive of carō, flesh; see sker-1 in Indo-European roots.] ca·run'cu·lar (-kyə-lər) adj., ca·run'cu·late (-lĭt, -lāt'), ca·run'cu·lat'ed (-lā'tĭd) adj.