- a breed of medium-sized dogs, originally bred in the border region between Scotland and England, characterized by a coat that is usually black with white markings and noted for its herding abilities
- any of this breed
A dog of a medium-sized, agile breed developed in the border country of England and Scotland for herding sheep, often having a wavy black coat with white markings.
(plural Border Collies)
Essentially the collie from the England/Scotland border.