Definition of "flying squirrel" []

• Any of various nocturnal squirrels of the genera Pteromys, Petaurista, Glaucomys, and related genera, having membranes along each side of the body between the forelegs and hind legs that enable it to glide between trees. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I, with my little-finger neurosis, would be happier as a flying squirrel than as a pterodactyl, because it feels ‘right’ to use whole arms and whole legs to do load-bearing work."