Obs. Forms: 4 steghere, steȝera, stier(e, steier, steyer, steyȝer. [f. STY v.1 + -ER1.] One who ascends or mounts; in quots. a rider (trans. L. ascensor).
a. 1340. Hampole, Cant. Moses (Exod. xv) 1, in Psalter, 503. The hors and the steghere he kast down in the see.
1382. Wyclif, Gen. xlix. 17. An horned eddre biting the cleen of an hors, that the steyer [1388 stiere] vp of hym falle bacward. Ibid. (1382), Isa. xxi. 9. Lo! this cam, a man steȝere [1388 stiere] of the carte of horse men.