Definition of "swellfish" []

• See puffer. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "What it is: One of a family of marine or estuarine fish known as Tetraodontidae whichincludesmany familiar species variously called puffers, puffer fish, balloonfish, blowfish, bubblefish, globefish, swellfish and toadfish."