barebacked

from WordNet (r) 3.0 (2006)

barebacked
    adv 1: without a saddle; "she prefers to ride her horse
           bareback" [syn: {bareback}, {barebacked}]
    adj 1: riding without a saddle; "a bareback rider" [syn:
           {bareback}, {barebacked}]

from The Collaborative International Dictionary of English v.0.48

Barebacked \Bare"backed`\ (b[^a]r"b[a^]kd`), a.
   Having the back uncovered; as, a barebacked horse.
   [1913 Webster]

[email protected]