- any of several large scombroid game fishes of the genus Istiophorus, such as I. albicans (Atlantic sailfish), of warm and tropical seas: family Istiophoridae. They have an elongated upper jaw and a long sail-like dorsal fin
- another name for basking shark
WordReference Random House Unabridged Dictionary of American English © 2026
sail•fish
(sāl′fish′),USA pronunciation n., pl. (esp. collectively) -fish, (esp. referring to two or more kinds or species) -fish•es.
- Fisha large tropical and subtropical marine fish, Istiophorus platypterus, of the family Istiophoridae, distinguished by a long, high dorsal fin, long pelvic fins, and a double keel on each side of the tail.
- Fishany of several related fishes having a high dorsal fin.
- sail + fish 1585–95
Collins Concise English Dictionary © HarperCollins Publishers::
sailfish /ˈseɪlˌfɪʃ/ n ( pl -fish, -fishes)
'sailfish' also found in these entries (note: many are not synonyms or translations):