the GNU version of the Collaborative International Dictionary of English
n. The title of the empress of Russia.
The Century Dictionary and Cyclopedia
n. An empress of Russia; the wife of the Czar of Russia, or a Russian empress regnant. Also czaritza, tsaritsa, tzaritsa.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the wife or widow of a czar
Word Usage
"Brought into Barack Obama's inner circle as his "czarina" for energy and climate issues — a brand-new White House post — she is now mainly a back-room coordinator."