Definition of berke:
(N) :
Berke Khan (died 1266/1267; also Birkai; Turki/Kypchak: برکه خان, , ) was a grandson of Genghis Khan from his son Jochi and a Mongol military commander and ruler of the Golden Horde, a division of the Mongol Empire, who effectively consolidated the power of the Blue Horde and White Horde from 1257 to 1266.
(N) :
a given name and surname.