flying gecko

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various small lizards of the genus Ptychozoon of Southeast Asia, having extensions of skin along each side of the body that are used for gliding short distances.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a gecko that has membranous expansions along the sides of its body and limbs and tail that enable it to glide short distances