Source : Webster's Revised Unabridged Dictionary (1913)

Slavonian \Sla*vo"ni*an\, Slavonic \Sla*von"ic\, a.
   1. Of or pertaining to Slavonia, or its inhabitants.

   2. Of or pertaining to the Slavs, or their language.

Slavonian \Sla*vo"ni*an\, n.
   A native or inhabitant of Slavonia; ethnologically, a Slav.