Top Definition
The flap of skin that a flying squirrel uses to fly
When it landed, the flying squirrel ripped it's patagium
by Seany Peaks January 06, 2003
The skin between the fore and hind legs of a flying squirrel which enables them to fly!
She was so aluring to the closed eyes, he realised she was the patagium that helped him find his nutz;)
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