Definition of pterosaur Pterosaur
pter•o•saur
We found 5 definitions of pterosaur from 5 different sources.
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What does pterosaur mean?
WordNet
NounPlural: pterosaurs |
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| pterosaur - an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb | ||
| flying reptile | ||
| archosaur, archosaurian, archosaurian reptile extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts | ||
| order pterosauria, pterosauria extinct flying reptiles: pterosaurs | ||
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Wiktionary 
- pterosaur (Noun)
Any of several extinct flying reptiles, of the order Pterosauria, including the pterodactyls.
Webster DictionaryWebster's Unabridged Dictionary 📘
- pterosaur (n.)
A pterodactyl.
Wikipedia 
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Pterosaurs were flying reptiles that lived at the same time as the dinosaurs. Some pterosaurs grew very big, bigger than any other flying animals. The pterosaur "Quetzalcoatlus" was 12 metres across. Most pterosaurs, however, were small or medium-sized animals. Pterosaurs had hair covering their bodies, but did not have feathers. Their wings were made from a flap of skin between their bodies and a big fourth finger (sometimes called the "wing finger").
The skin on the wing was complicated, and had many layers. It had muscles and strong fibres in it, to help keep its shape while the animal was flying.
For a long time people thought pterosaurs could only glide, and were not strong enough to flap their wings. Now we think that pterosaurs could flap, but spent a lot of the time soaring (riding on wind created by waves or hills). When they were on the ground, pterosaurs walked on four legs.
Most pterosaurs ate fish but some ate invertebrates and other things as well.
Part of speech
🔤- pterosaur, noun, singular of pterosaurs.
