'Boyar' definitions:

Definition of 'Boyar'

From: GCIDE

Boyar \Bo*yar"\, Boyard \Bo*yard"\, n. [Russ. boi['a]rin'.] A member of a Russian aristocratic order abolished by Peter the Great. Also, one of a privileged class in Roumania. [1913 Webster]
Note: English writers sometimes call Russian landed proprietors boyars. [1913 Webster]