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lionfish

[lahy-uh n-fish]
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noun, plural li·on·fish·es, (especially collectively) li·on·fish.
  1. a brightly striped scorpionfish of the genus Pterois, especially P. volitans, of the Indo-Pacific region, having long, flamboyant, venomous spiny fins.
  2. an Atlantic scorpionfish, Scorpaena grandicornis.
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Origin of lionfish

1905–10 lion + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for lionfish

lionfish

noun plural -fish or -fishes
  1. any of various scorpion fishes of the tropical Pacific genus Pterois, having a striped body and elongated spiny fins
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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