noun 1.a branch of the Indo-European family of languages, usually divided into East Slavic (Russian, Ukrainian, Byelorussian), West Slavic (Polish, Czech, Slovak, Sorbian), and South Slavic (Old Church Slavonic, Macedonian, Bulgarian, Serbo-Croatian, Slovene). Abbr.:
Slav.
adjective 2.of or pertaining to the
Slavs or their languages.
Related forms an·ti-Slav·ic, adjective, noun
non-Slav·ic, adjective