billfish

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noun bill·fish \ˈbil-ˌfish\

Definition of billfish

  1. :  a fish with long slender jaws; especially :  any of various bony fishes (families Istiophoridae and Xiphiidae) with an elongated tapering upper jaw including marlins, spearfishes, and sailfishes

1782

First Known Use of billfish

1782

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to glide in or as if in an airplane

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