noun Etymology: New Latin Ornithischia, from ornith- + ischium Date: 1933 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, ~ adjective
ORNITHISCHIAN
Meaning of ORNITHISCHIAN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012