Local English word record

ornithischia

noun · 1 sense

extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)

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This page uses the locally materialized K5English vocabulary cohort. WordNet, where present, is enrichment only and does not determine K-5 admission.

Princeton WordNet 3.0