Unscramble

a 1 r 1 c 3 h 4 o 1 s 1 a 1 u 1 r 1

9 letters · 14 points in Scrabble

Meaning

noun extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts

originFrom taxonomic name Archosauria (“taxonomic division of extinct reptiles”), from Ancient Greek ἄρχων (árkhōn, “leader”) + σαύρα (saúra, “lizard”).

Etymology from Wiktionary, CC BY-SA 3.0

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