4. To take or carry on the back; as, the keeper, horsing a deer. S.
Butler.
5. To place on the back of another, or on a wooden horse, etc., to be
flogged; to subject to such punishment.
Horse, v. i. To get on horseback. [Obs.] Shelton.
Horse"back` (?), n. 1. The back of a horse.
2. An extended ridge of sand, gravel, and bowlders, in a
half-stratified condition. Agassiz.
On horseback, on the back of a horse; mounted or riding on a horse or
horses; in the saddle.
The long journey was to be performed on horseback.
Prescott.
Horse`-chest"nut (?), n. (Bot.) (a) The large nutlike seed of a species
of ∆sculus (∆. Hippocastanum), formerly ground, and fed to horses,
whence the name. (b) The tree itself, which was brought from
Constantinople in the beginning of the sixteenth century, and is now
common in the temperate zones of both hemispheres. The native American
species are called buckeyes.
Horse"-drench` (?), n. 1. A dose of physic for a horse. Shak.