sheepdog

[sheep-dawg, -dog] /ˈʃipˌdɔg, -ˌdɒg/

noun

a dog trained to herd and guard sheep.

Also, sheep dog.

Origin

1765-75; sheep + dog

Examples from the web for sheepdog

His role, he said, is that of a sheepdog with the training and temperament to intervene.
His campaign is cast into doubt when he comes upon an ancient ring that transforms him into a fat sheepdog.
He found a new all-purpose breed in the local sheepdog's strength and intelligence.
He gave a working sheepdog demonstration at the ranch.
Both the sheepdog and the wolf have the tools and the instincts of a predator.
When the wolf comes, you and your loved ones are going to die if there is not a sheepdog there to protect you.
Delightful comedy about the little pig who wanted to be a sheepdog.

British Dictionary definitions for sheepdog

/ˈʃiːpˌdɒɡ/

noun

Also called shepherd dog. a dog used for herding sheep See Border collie

any of various breeds of dog reared originally for herding sheep See Old English sheepdog, Shetland sheepdog