Word Study
horseback
CIDE DICTIONARY
horseback, n.
- The back of a horse. [1913 Webster]
- An extended ridge of sand, gravel, and boulders, in a half-stratified condition. Agassiz. [1913 Webster]"The long journey was to be performed on horseback." [1913 Webster]
OXFORD DICTIONARY
horseback, n. the back of a horse, esp. as sat on in riding.
Idiom
on horseback mounted on a horse.
THESAURUS
horseback
across, astraddle, astride, by horse, chine, col, comb, esker, hogback, kame, mounted, on, on horseback, ridge, saddle, saddleback, spine, straddle, straddle-legged, straddlebackFor further exploring for "horseback" in Webster Dictionary Online