ˈmaməˌlāt adjective
or mam·mil·lat·ed -ād.ə̇d ; also mam·il·late -āt ; or mam·il·lat·ed -ād.ə̇d
Etymology: Late Latin mammillatus, mamillatus, from Latin mammilla, mamilla breast, nipple + -atus -ate, -ated — more at mammilla
1. : having nipples or small protuberances like nipples
2.
a. : having the form of a bluntly rounded protuberance
b. usually mammillated : having a hummocky rock surface with many smoothly rounded knobs or mounds formed especially as a result of glacial erosion
the mammillated variety of glaciated surface — C.A.Cotton