Merriam-Webster Logo
SINCE 1828
dictionary thesaurus view recents

firemouth

noun
Save Word

Definition of firemouth

: a small cichlid fish (Cichlasoma meeki) that is fiery red along the belly and mouth with a metallic green blotch on the gill cover and that is often kept in tropical aquariums

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about firemouth

Statistics for firemouth

Cite this Entry

“Firemouth.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/firemouth. Accessed 25 January 2020.

Comments on firemouth

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

Show Comments  Hide Comments 

WORD OF THE DAY

lackluster

Listen to the pronounciation of lackluster

dull or mediocre

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!

Words at Play
Ask the Editors
Word Games