frostfish

noun

Definition of frostfish 

3a : any of a genus (Benthodesmus) of cutlass fish having a small, forked caudal fin and a spiny dorsal fin with numerous rays

b : silver scabbard fish

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!

First Known Use of frostfish

1634, in the meaning defined at sense 1

Keep scrolling for more

Learn More about frostfish

Statistics for frostfish

Look-up Popularity

Time Traveler for frostfish

The first known use of frostfish was in 1634

See more words from the same year

Comments on frostfish

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

WORD OF THE DAY

to clear from alleged fault or guilt

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
True or False

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

TAKE THE QUIZ
Dictionary Devil

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!