The Collaborative International Dictionary
Mammillate
Mammillate \Mam"mil*late\, Mammillated \Mam"mil*la`ted\, a. [See Mammilla.]
Having small nipples, or small protuberances like nipples or mamm[ae].
(Zo["o]l.) Bounded like a nipple; -- said of the apex of some shells.
Wiktionary
mammillate
a. 1 Having small nipples, or small protuberances like nipples or mammae. 2 Bounded like a nipple; said of the apex of some shells.