long·horn 
(lônghôrn′, lŏng-)
(lônghôrn′, lŏng-)n.
1.
a. Any of a breed of cattle with long horns and a brown and white coat, developed in England for meat and milk and now rare.
b. A Texas Longhorn.
2. Any of various cow's milk cheeses, usually Colby or Cheddar, that are molded into a long cylinder and often cut into moon or half-moon shapes for sale.