plural noun Din·or·nith·i·dae \ˌdīˌnȯrˈnithəˌdē\

Definition of Dinornithidae

  1. :  a family of extinct ratite birds that are related to the emus and cassowaries though usually placed in a distinct order — see dinornis, moa

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Origin and Etymology of dinornithidae

borrowed from New Latin, from Dinornith-, Dinornis dinornis + -idae -idae

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to cast off or become cast off

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