Meanings
nounmegalosaurus (plural megalosauruses or megalosauri)
plural megalosauruses · plural megalosauri
- A theropod dinosaur of the genus Megalosaurus.
Synonyms & antonyms
noungigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe
Similar
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*méǵh₂s
- Proto-Hellenic*mégas
- Ancient Greekμέγας (mégas)
- Ancient Greekσαύρα (saúra)
- Ancient Greekσαῦρος (saûros)
- taxonomic nameMegalosauru
- Englishmegalosaurus
Learned borrowing from taxonomic name Megalosaurus.
More words from taxonomic name
Full word history & related roots →Translations
Portuguese megalossauro
- megalossaurodinosaur of the genus Megalosaurus — see also megalosaur
Cite this entry
APA
megalosaurus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/megalosaurus
MLA
“megalosaurus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/megalosaurus. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “megalosaurus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/megalosaurus.
Source: megalosaurus on Wiktionary, CC BY-SA 4.0.