silver fox—
1. a North American fox (Canis Argentatus) with black silver-tipped hairs:
- She lunched at the Ritz yesterday in a black wig, a battle bowler and her silver foxes.
2. a southern African fox (Vulpes chama):
- The Cape or silver fox is found throughout the drier regions of South Africa.
silverback—a male mountain gorilla (Gorilla gorilla beringei), distinguished by patches of silvery hair:
- An adult male silverback is the leader and protector of his band, which consists of females and offspring.