Meaning of pteranodon

pter•an•o•don

Pronunciation: (tu-ran'u-don"), [key]
— n.
  1. a flying reptile of the extinct order Pterosauria, from the Cretaceous Period, having a wingspread of about 25 feet (8 m).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.