1 horseback /ˈhoɚsˌbæk/ noun Learner's definition of HORSEBACK
on horseback
: on the back of a horse在马背上 2 horseback /ˈhoɚsˌbæk/ adjective
2 horseback
/ˈhoɚsˌbæk/
adjective
Learner's definition of HORSEBACK
always used before a noun
: on the back of a horse在马背上的
— horseback
adverb, chiefly US