plural noun Tri·tyl·odon·ti·dae \(ˌ)trīˌtiləˈdäntəˌdē\

Definition of Tritylodontidae

  1. :  a family of extinct vertebrates of the order Ictidosauria — see tritylodon

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Origin and Etymology of tritylodontidae

New Latin, from Tritylodont-, Tritylodon, type genus + -idae

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a trip made at another's expense

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