| 1. | any of several chiefly marine, cetacean mammals of the family Delphinidae, having a fishlike body, numerous teeth, and the front of the head elongated into a beaklike projection. |
| 2. | Also called dolphinfish, mahimahi, pompano dolphin. either of two large, slender fishes, Coryphaena hippurus or C. equisetis, of warm and temperate seas. |
| 3. | Nautical.
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| 4. | (initial capital letter ) Astronomy. the constellation Delphinus. |
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