Bloody hand \Blood"y hand`\ 1. A hand stained with the blood of a deer, which, in the old forest laws of England, was sufficient evidence of a man's trespass in the forest against venison. --Jacob. [1913 Webster] 2. (Her.) A red hand, as in the arms of Ulster, which is now the distinguishing mark of a baronet of the United Kingdom. [1913 Webster]