noun a name applied to several distinct fishes.
2. billfish ·noun the american fresh-water garpike (lepidosteus osseus).
3. billfish ·noun the garfish (tylosurus, / belone, longirostris) and allied species.
4. billfish ·noun the saury, a slender fish of the atlantic coast (scomberesox saurus).
5. billfish ·noun the tetrapturus albidus, a large oceanic species related to the swordfish; the spearfish.