tang3 Syllabification: (tang)Pronunciation: /taNG/Translate tang | into French | into German | into Italian | into Spanish Definition of tang noun a surgeonfish that occurs around reefs and rocky areas, where it browses on algae. Genus Acanthurus, family Acanthuridae: several species, in particular the blue tang (A. coeruleus) of the western Atlantic Origin: mid 18th century: from tang1tang in other Oxford dictionaries Definition of tang in the British & World English dictionary