ornithischian

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noun or·nith·is·chi·an \ˌȯr-nə-ˈthi-skē-ən\

Definition of ornithischian

  1. :  any of an order (Ornithischia) of herbivorous dinosaurs (as a stegosaurus) that have the pubis of the pelvis rotated backward to a position parallel and close to the ischium — compare saurischian

ornithischian

adjective

Origin and Etymology of ornithischian

New Latin Ornithischia, from ornith- + ischium


First Known Use: 1888


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