Source : Webster's Revised Unabridged Dictionary (1913)

Livonian \Li*vo"ni*an\, a.
   Of or pertaining to Livonia, a district of Russia near the
   Baltic Sea.

Source : WordNet®

Livonian
     n 1: a member of the Livonian-speaking people of Latvia
     2: the Finnic language spoken by the people of Livonia in
        Estonia and Latvia