pterosaur: Meaning and Definition of

pter•o•saur

Pronunciation: (ter'u-sôr"), [key]
— n.
  1. any flying reptile of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having the outside digit of the forelimb greatly elongated and supporting a wing membrane.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
pteropodium -pterous
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