Source : Webster's Revised Unabridged Dictionary (1913)

Baltic \Bal"tic\, a. [NL. mare Balticum, fr. L. balteus belt,
   from certain straits or channels surrounding its isles,
   called belts. See {Belt}.]
   Of or pertaining to the sea which separates Norway and Sweden
   from Jutland, Denmark, and Germany; situated on the Baltic
   Sea.

Source : WordNet®

Baltic
     adj 1: of or pertaining to or characteristic of the Baltic States
            or their peoples or languages
     2: of or near or on the Baltic Sea; "The Baltic republics"

Baltic
     n 1: a sea in northern Europe; stronghold of the Russian navy
          [syn: {Baltic Sea}]
     2: a branch of the Indo-European family of languages related to
        the Slavonic languages; Baltic languages have preserved
        many archaic features that are believed to have existed in
        Proto-Indo European [syn: {Baltic language}]