caruncle UK /ˈka.ɹəŋ.kəl/US /ˈkɛɹˌʌŋ.kəl/ noun3 •A small, fleshy excrescence that is a normal part of an animal's anatomy. •A colored waxy or oily outgrowth near the micropyle of some seeds, attractive to ants which aid the seed's dispersal. •Clipping of lacrimal caruncle: the red prominence at the inner corner of the eye. formscaruncles