noun, plural (especially collectively) sail·fish, (especially referring to two or more kinds or species) sail·fish·es.

a 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.
any of several related fishes having a high dorsal fin.

Nearby words

  1. sailboard,
  2. sailboarding,
  3. sailboat,
  4. sailcloth,
  5. sailer,
  6. sailing,
  7. sailing boat,
  8. sailing length,
  9. sailing ship,
  10. sailmaker

Origin of sailfish

First recorded in 1585–95; sail + fish Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sailfish

British Dictionary definitions for sailfish


noun plural -fish or -fishes

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012