a long-horned breed of beef cattle, usually red or variegated, formerly common in SW US
2.
a now rare British breed of beef cattle with long curved horns
longhorn in American English
(ˈlɔŋˌhɔrn)
noun
1.
any of a breed of long-horned cattle raised in great numbers in the Southwest in the 19th cent. and later crossed with English stock to create improved beef and dairy breeds
2. US
a mild, typically orange-colored Cheddar cheese, shaped during manufacture in long, cylindrical molds