pterosaur
part of speech
noun (a pterosaur, pterosaurs)
meaning for a pupil
A pterosaur was a flying reptile that lived at the time of the dinosaurs, with wings of skin stretched from a very long finger. tree →
sense in the lessons
In science and history lessons, pterosaurs like Pteranodon and Quetzalcoatlus flew over the dinosaurs; some were as big as a small plane. They are not dinosaurs and not birds — they are close cousins of dinosaurs. They died out with the dinosaurs.
examples
- A pterosaur glided over the sea looking for fish. tree →
- Quetzalcoatlus was a giant pterosaur. tree →
- Pterosaurs had wings made of skin. tree →
- A pterosaur is not a dinosaur. tree →
- We found a pterosaur in the museum. tree →
- Some pterosaurs had big crests on their heads. tree →
note
The «p» is silent: «TERR-uh-sor». Common trap: calling them «flying dinosaurs». Birds came from dinosaurs; pterosaurs did not become birds.
In the corpora
- The largest fliers ever, pterosaurs like Quetzalcoatlus, had wings about 10 metres across but were light, with hollow bones.
- So the flying pterosaurs and the swimming plesiosaurs, mosasaurs and ichthyosaurs were not dinosaurs, even though they lived at the same time.
- A pterosaur wing was skin stretched from a very long fourth finger.
Trees and pragmatics
Every meaning and example of «pterosaur» parsed by Mova, each sentence with its dependency tree and frames.