Noun
red fox in the color phase when its pelt is tipped with white
Source: WordNetAll the intelligence and talent in the world can't make a singer. The voice is a wild thing. It can't be bred in captivity. It is a sport, like the silver fox. It happens. Willa Cather
Wolverine suffered a mental breakdown which stemmed from the deaths of Mariko and Silver Fox and Weapon X's mental tampering. Source: Internet
Dubbed The Silver Fox by her husband and children, Barbara Bush will always be known for her snow-white hair and for being fiercely protective of her family among many other things. Source: Internet