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balloonfish

American  
[buh-loon-fish] / bəˈlunˌfɪʃ /

noun

plural

balloonfishes,

plural

balloonfish

  1. a porcupinefish, Diodon holacanthus, inhabiting tropical and subtropical waters.

Etymology

Origin of balloonfish

First recorded in 1825–35; balloon + fish

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.