n. pl. billfish or bill·fish·es
1. Any of various marine fishes having an elongated spearlike or swordlike upper jaw, including the marlins, sailfishes, and spearfishes of the family Istiophoridae and the swordfish of the family Xiphiidae.
2. Any of various fishes having long, pointed jaws, such as the needlefishes.
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Indo-European & Semitic Roots Appendices
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