Of or pertaining to Slavonia, or its inhabitants.

Of or pertaining to the Slavs, or their language.

a branch of the Indo European family of language

of or relating to Slavic languages

also called Church Slavonic or Old Church Slavonic, the liturgical language of all Slavic Orthodox Churches (Russian, Serbian, Bulgarian, and Ukrainian). It is a dialect of south Slavic developed in the eighth through tenth centuries, and at one time easily understood by all Slavic nations. It bears roughly the same relation to Russian as Church Latin does to Italian or as Church Greek does to modern Greek.