Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various large marine fishes of the genus Istiophorus, having a large saillike dorsal fin and an upper jaw that is prolonged into a spearlike bone.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A fish of the genus Istiophorus, having a characteristic sail-like fin on its back.

from the GNU version of the Collaborative International Dictionary of English

  • n. The banner fish, or spikefish (Histiophorus.)
  • n. The basking, or liver, shark.
  • n. The quillback.

from The Century Dictionary and Cyclopedia

  • n. One of several different fishes, so called from the large or long dorsal fin.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. large pelagic game fish having an elongated upper jaw and long dorsal fin that resembles a sail
  • n. a saltwater fish with lean flesh

Etymologies

sail +‎ fish (Wiktionary)

Examples

Comments

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  • "They can appear in a startling array of colours, from subdued browns and grays to vibrant purples and even silver. Their body colours are often highlighted by stripes of iridescent blue and silver dots. Sailfish can change their colours almost instantly - a change controlled by their nervous system. The sailfish can rapidly turn its body light blue with yellowish stripes when excited, confusing its prey and making capture easier, while signalling its intentions to fellow sailfish."

    -- From http://en.wikipedia.org/w/index.php?title=Sailfish&oldid=532510040

    January 22, 2013