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A dog of a large breed developed in Germany, having a dense grayish to brownish or black coat and often trained to assist the police. Also called police dog.
German shepherd dogor
German sheep dog
(Breeds) another name for Alsatian1
one of a breed of large dogs with erect ears, a bushy tail, and a thick, usu. gray or black-and-tan coat.
[1930–35; compare German Schäferhund literally, sheepdog]