plural noun Thy·mal·li·dae \thīˈmaləˌdē\

Definition of Thymallidae

  1. :  a family of salmonoid fishes constituted by the graylings

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Origin and Etymology of thymallidae

New Latin, from Thymallus, type genus (from Greek thymallos, a salmonoid fish, probably from thymon thyme; from the odor) + -idae

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to cast off or become cast off

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