Wordnet 3.0
NOUN (1)
1. 
 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, Baltic language]
WordNet (r) 3.0 (2006):
Baltic language
    n 1: 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, Baltic language]