Entry 3 senses · 2 variants Webster, 1913 butch /(bụch)/ · IPA /bʊt͡ʃ/ adj. n. 01 adj. markedly masculine in appearance or manner; -- used of men. 1. markedly masculine in appearance or manner; -- used of men. 2. same as lesbian.[pejorative] See: lesbian Syn. macho. 02 n. a lesbian who is noticeably masculine. 1. a lesbian who is noticeably masculine. Syn. dyke.