See also: mammo English Alternative forms mamm- (before a vowel) Etymology New Latin combining form, from Latin mamma (noun, literally “female breast”), ultimately cognate with mama and mom. Prefix mammo- (biology, medicine) relating to the mammary organs (mammary glands, breasts, udders, and dugs), or to females Synonyms mast- Derived terms English terms prefixed with mammo- Anagrams mommaWikiwand - on Seamless Wikipedia browsing. On steroids.