1. (a.) Of or pertaining to the mammilla, or nipple, or to the breast; resembling a mammilla; mammilloid.

2. (a.) Composed of convex concretions, somewhat resembling the breasts in form; studded with small mammiform protuberances.

bosomed breasted cetacean chested chordate mammary mammate mammiform mammillary marsupial nippled papillary papillose papulous pectoral pigeon-breasted teated thoracic vertebrate