Border collie in British English
noun
a medium-sized breed of collie with a silky usually black-and-white coat: used mainly as sheepdogs
border collie in American English
1.
a breed of medium-sized dogs, originally bred in the border region between Scotland and England, that have a coat that is usually black with white markings and characteristically herd silently
2.
any of this breed
Image ofBorder collie
© Eric Isselee, shutterstock