red fox n 1: weedy annual with spikes of silver-white flowers [syn: {red fox}, {Celosia argentea}] 2: New World fox; often considered the same species as the Old World fox [syn: {red fox}, {Vulpes fulva}] 3: the common Old World fox; having reddish-brown fur; commonly considered a single circumpolar species [syn: {red fox}, {Vulpes vulpes}]