\Con"ge*ner\ (?; 277), n. [From L. congener. See {Congenerous}.] A thing of the same genus, species, or kind; a thing allied in nature, character, or action. The cherry tree has been often grafted on the laurel, to which it is a congener. --P. Miller. Our elk is more polygamous in his habits than any other deer except his congener, the red deer of Europe. --Caton.