I. ˈhȯrs-ˌbak noun
Date: 14th century
: the back of a horse
II. adverb
Date: 1727
: on horseback
III. adjective
Date: 1879
: given without thorough consideration
a horseback opinion
I. ˈhȯrs-ˌbak noun
Date: 14th century
: the back of a horse
II. adverb
Date: 1727
: on horseback
III. adjective
Date: 1879
: given without thorough consideration
a horseback opinion
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003