[ pawr-kyuh-pahyn-fish ]
/ ˈpɔr kyəˌpaɪnˌfɪʃ /
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noun, plural (especially collectively) por·cu·pine·fish, (especially referring to two or more kinds or species) por·cu·pine·fish·es.
any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
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Origin of porcupinefish

First recorded in 1675–85; porcupine + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use porcupinefish in a sentence

  • We have received many curious specimens: sea-horse, porcupine-fish, key-hole shells, etc.

  • They leave him alone; and the Porcupine-fish goes back to his usual shape, the spines lying flat until wanted again.

    Within the Deep|R. Cadwallader Smith
  • Some have bony coats of mail and sometimes the coat of mail is covered with thorns, as in the porcupine-fish.

British Dictionary definitions for porcupinefish

porcupine fish

any of various plectognath fishes of the genus Diodon and related genera, of temperate and tropical seas, having a body that is covered with sharp spines and can be inflated into a globe: family DiodontidaeAlso called: globefish
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