horseback horse • horsebacker · · · Info · Definitions · Synonyms · Characters · · horseback · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the back of a horse. · · Noun Definition 1 (noun) a narrow ridge of hills. Synonyms: hogback. · · Noun Definition 2 (adv) on the back of a horse. Synonyms: ahorse, ahorseback. Examples: "He rode horseback to town." "Managed to escape ahorse." "Policeman patrolled the streets ahorseback." · · Adverb Definition 1 Synonyms · · · hogback · · Synonym 1 ahorse · · Synonym 2 ahorseback · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 k latin small letter k U+006B o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073