plural noun Chi·o·nid·i·dae \ˌkīəˈnidəˌdē\

Definition of Chionididae

  1. :  a family of birds (order Charadriiformes) containing a single genus (Chionis) consisting of the sheathbills

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Origin and Etymology of chionididae

New Latin, from Chionid-, Chionis, type genus (irregular from Greek chiōn snow) + -idae

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a trip made at another's expense

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