資料來源 : Webster's Revised Unabridged Dictionary (1913)

Camarasaurus \Cam`a*ra*sau"rus\, n. [NL. fr. Gr. ? a vaulted
   chamber + ? lizard.] (Paleon.)
   A genus of gigantic American Jurassic dinosaurs, having large
   cavities in the bodies of the dorsal vertebr[ae].