2 definitions found

From WordNet (r) 2.0 [wn]:

ahorseback

adjective: traveling on horseback; "a file of men ahorseback passed by" [syn: {ahorse(p)}, {ahorseback(p)}]

adverb: on the back of a horse; "he rode horseback to town"; "managed to escape ahorse"; "policeman patrolled the streets ahorseback" [syn: {horseback}, {ahorse}]

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Ahorseback \A*horse"back\, adverb On horseback.

Two suspicious fellows ahorseback. --Smollet.
  Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. -KM