n. The male of the red deer, Cervus elaphus, the female of which is called hind; a stag, especially an adult stag or male red deer after its fifth year, when the sur-royal or crown-antler has appeared.n. In heraldry, a stag used as a bearing. It is taken as a stag in its sixth year or older, but the word stag is not used in blazon.n. An obsolete spelling of heart.A simplified spelling of heart.