The Collaborative International Dictionary of English v.0.48:
Slavic \Slav"ic\, a. Slavonic. -- n. The group of allied languages spoken by the Slavs. [1913 Webster]WordNet (r) 3.0 (2006):
Slavic adj 1: of or relating to Slavic languages [syn: Slavonic, Slavic] n 1: a branch of the Indo-European family of languages [syn: Slavic, Slavic language, Slavonic, Slavonic language]