\Steed\, n. [OE. stede, AS. st[=e]da a stud-horse, war horse, fr. st[=o]d a stud of breeding steeds; akin to G. stute a mare, Icel. stedda, st[=o]?, a stud. [root]163. See {Stud} of horses.] A horse, especially a spirited horse for state of war; -- used chiefly in poetry or stately prose. ``A knight upon a steed.'' --Chaucer. Mounted upon a hot and fiery steed. --Shak.