the back of a horse.
Geology. a low, natural ridge of sand or gravel; an esker.
to ride horseback.
made or given in a casual or speculative way; approximate or offhand:
a horseback estimate on the construction costs.
late 14c., from horse (n.) + back (n.).
noun 1. a lemon-scented plant, Collinsonia canadensis, of eastern North America, having small yellow flowers.
noun 1. . noun 1. another name for broad bean
noun 1. a step or block of stone, wood, etc., for getting on or off a horse or in or out of a vehicle.
/ˈhɔːsˌbɒks/ noun 1. (Brit) a van or trailer used for carrying horses