English word megalosaur comes from English -saur, English megalo- (Large, great or exaggerated.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -saur | English (eng) | Used in the common names of extinct reptilian creatures such as dinosaurs. |
| megalo- | English (eng) | Large, great or exaggerated. |
| megalosaur | English (eng) | A carnivorous dinosaur of the Megalosauridae family. |