1. large amount, mass, crowd; nomadic group of people; swarm, pack. crowd about, assemble, swarm. hordehorde , n. [f. horde (cf. g. horde), fr. turk. ord , ordī, camp; of tartar origin.] a wandering troop or gang; especially, a clan or tribe of a nomadic people migrating from place to place for the sake of pasturage, plunder, etc.; a predatory multitude.horde n