lionfish

noun li·on·fish \ ˈlī-ən-ˌfish \
|Updated on: 20 Jun 2018

Definition of lionfish

: any of several scorpaenid fishes (genus Pterois) of the Indian Ocean and the tropical Pacific that are brilliantly striped and barred with elongated fins and venomous dorsal spines

Recent Examples of lionfish from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lionfish.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of lionfish

circa 1907

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about lionfish


Seen and Heard

What made you want to look up lionfish? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to emit the high shrill tone of bagpipes

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!