Search Result for "old prussian":
Wordnet 3.0

NOUN (1)

1. a dead language of the (non-German) Prussians (extinct after 1700); thought to belong to the Baltic branch of Indo-European; 



WordNet (r) 3.0 (2006):

Old Prussian
    n 1: a dead language of the (non-German) Prussians (extinct
         after 1700); thought to belong to the Baltic branch of
         Indo-European