• (a.) Having the arms growing broader and floriated toward the end; -- said of a cross. See Illust. 9 of Cross.
Pa·tonce' adjective [ Confer French patte d'once paw of an ounce.] (Her.) Having the arms growing broader and floriated toward the end; -- said of a cross. See Illust. 9 of Cross . 
In heraldry, patonce describes a cross which has the arms growing broader and floriated toward the end.