noun
extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
• Syn: ↑order Ornithischia
• Hypernyms: ↑animal order
• Member Holonyms: ↑Archosauria, ↑subclass Archosauria
• Member Meronyms:
↑ornithischian, ↑ornithischian dinosaur, ↑genus Pisanosaurus, ↑genus Staurikosaurus, ↑Thyreophora, ↑suborder Thyreophora, ↑thyreophoran, ↑Marginocephalia, ↑suborder Marginocephalia, ↑marginocephalian, ↑Euronithopoda, ↑suborder Euronithopoda, ↑euronithopod, ↑Ornithopoda, ↑suborder Ornithopoda
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Ornithischia /-thisˈki-ə/ plural noun
(Gr ischion hip joint) the order of bird-hipped dinosaurs, herbivorous and often heavily armoured
• • •
Main Entry: ↑ornitho-
Useful english dictionary. 2012.