from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic genus within the order Saurischia — a dinosaur from the Triassic period.
- proper n. An Ancient Roman holiday honoring the deity Saturn.
From Latin Sāturnālia, interpreted as the Latin equivalent of Portuguese carnaval ("Carnival (the period before Lent)"); so called because the genus was discovered in Brazil during Carnival. (Wiktionary)