1. a breed of medium-sized dog with long hair, originally bred in Scotland for herding sheep

Examples

• The collie herded the sheep across the field.
• Border collies are known for their intelligence and energy.
• She adopted a beautiful rough collie from the shelter.
• The collie’s thick coat protected it from the cold weather.
• Lassie was a famous collie in movies and television.
• The farmer trained his collie to respond to whistle commands.