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Bandog

//ˈbandɒɡ// noun, slang

Noun

1
A dog that has been tied up; a mastiff or other kind of guard dog. archaic
"The horsemen spreading themselves along the side of the cover, waited untill the keeper entered, leading his ban-dog; a large blood-hound tied in a leam or band, from which he takes his name."
2
A type of large, ferocious dog, bred by crossing American pit bull terriers with Neapolitan mastiffs. specifically
3
Something that or someone who pursues doggedly. figuratively, literary
"He escaped from that experience confounded, horrified, and conscious of degradation. Those infernal bandogs of the law had treated him as a piece of insensate property to their drivelling mumbo-jumbo, as if mere contact with it had robbed him of all rights to the dignity and integrity of his own ego."
4
A bailiff or prison guard. obsolete, slang

From band + dog.

Unscramble this word: bandog