nounC2Very rare — outside the 30,000 commonest English words, so you will meet it in writing rather than in speechToo rare in one of the two pools to compare — fewer than 20 uses in speech or in writing
A flying reptile of the dinosaur age, with wings of skin.
Definitions of pterodactyl
1nounpterodactylA flying reptile of the dinosaur age, with wings of skin.C2