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
2. another name for basking shark
sailfish in American English
(seɪlˌfɪʃ)
nounWord forms: pluralˈsailˌfish or ˈsailˌfishes
any of a genus (Istiophorus, family Istiophoridae) of large, tropical marine billfishes with elongated scales, a sail-like dorsal fin, and a sword-shaped upper jaw
Examples of 'sailfish' in a sentence
sailfish
Marlin and sailfish tended to prowl the edges of those streams, Juanita explained, pouncing on the smaller fish which fed there.