MAMILLA Meaning of MAMILLA in English n. (US mammilla) (pl. mamillae) 1 the nipple of a woman's breast. 2 a nipple-shaped organ etc. mamillary adj. mamillate adj.[ L, dimin. of MAMMA(2) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012