- either of two lemurlike mammals, Cynocephalus variegatus, of southeastern Asia and the East Indies, or C. volans, of the Philippines, having broad folds of skin on both sides of the body to aid in gliding from tree to tree: now rare.
- either of the two arboreal mammals of the genus Cynocephalus, family Cynocephalidae, and order Dermoptera, of S and SE Asia. They resemble lemurs but have a fold of skin between the limbs enabling movement by gliding leaps
