Noun: Patagium (puh-TAY-jee-um)
Definition:
1. The fold of skin connecting the forelimbs and hind limbs of some tetrapods (as flying squirrels).
2. The fold of skin in front of the main segments of a bird’s wing.
Sample sentence: The parrot plucked his feathers so badly that he exposed the patagium on his right wing.
