n. 1. (Zool.) A common large North American marmot (Arctomys monax). It is usually reddish brown, more or less grizzled with gray. It makes extensive burrows, and is often injurious to growing crops. Called also ground hog. [ 1913 Webster ]
2. (Zool.) The yaffle, or green woodpecker. [ Prov. Eng. ] [ 1913 Webster ]