Search Result for "czar": 
Wordnet 3.0

NOUN (2)

1. a male monarch or emperor (especially of Russia prior to 1917);
[syn: czar, tsar, tzar]

2. a person having great power; 



The Collaborative International Dictionary of English v.0.48:

czar \czar\ (z[aum]r), n. [Russ. tsare, fr. L. Caesar C[ae]sar;
   cf. OPol. czar, Pol. car. ]
   A king; a chief; the title of the emperor of Russia. [Written
   also tsar and tzar.]
   [1913 Webster]


WordNet (r) 3.0 (2006):

czar
    n 1: a male monarch or emperor (especially of Russia prior to
         1917) [syn: czar, tsar, tzar]
    2: a person having great power