Entry 2 senses · 2 variants Webster, 1913 co-ed · IPA /ˌkoʊˈɛd/ n. adj. 01 n. a female student at a coeducational college or university. 1. a female student at a coeducational college or university. Syn. college girl. 02 adj. having both female and male students; -- of a school. 1. having both female and male students; -- of a school. Syn. coeducational.