Wordnet 3.0
NOUN (1)
1. 
 a metal urn with a spigot at the base; 
 used in Russia to boil water for tea; 
The Collaborative International Dictionary of English v.0.48:
Samovar \Sa"mo*var\, n. [Russ. samovar'.]
   A metal urn used in Russia for making tea. It is filled with
   water, which is heated by charcoal placed in a pipe, with
   chimney attached, which passes through the urn.
   [1913 Webster]
   [1913 Webster]
WordNet (r) 3.0 (2006):
samovar
    n 1: a metal urn with a spigot at the base; used in Russia to
         boil water for tea