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camarasaur

American  
[kam-er-uh-sawr] / ˈkæm ər əˌsɔr /

noun

  1. a plant-eating sauropod dinosaur of the genus Camarasaurus and closely related genera, having a small head, long neck, and short forelimbs, and reaching a length of 40 feet (12.2 meters); until 1981 the type specimen of Brontosaurus excelcus was wrongly reconstructed with a Camarasaurus skull.


Etymology

Origin of camarasaur

< New Latin Camarasaurus (1877), irregular < Greek kamára space enclosed by an arch, vault ( chamber ) + -saurus -saur