\Wood"chuck`\, n.
1. (Zo["o]l.) 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}.
2. (Zo["o]l.) The yaffle, or green woodpecker. [Prov. Eng.]