a nomadic people who conquered and ruled ancient Egypt between the 13th and 18th dynasties, c1700–1580 b.c.: believed to have been a Semitic people that originally migrated into Egypt from Asia.
c.1600, 15th dynasty of Egyptian kings (1650-1558 B.C.E.), called "Shepherd Kings," from Gk. Hyksos, from Egyptian, either hiq shasu "ruler of nomads," or heqa khoswe "chief of foreign lands."