Definition of kievan:
(adj) :
Of or associated with the city of Kyiv (the capital city of Ukraine).
(adj) :
(historical) Of or associated with the city of Kiev, especially when referring to the medieval period (c. 880–c. 1150) when the city dominated the East Slavic lands which today are Belarus, Russia, and Ukraine.
(n) :
(demonym) Alternative form of Kyivan. [(demonym) A resident of Kyiv.]
(adj) :
Alternative form of Kyivan. [Of or associated with the city of Kyiv (the capital city of Ukraine).]