frog shell


Definition of frog shell 

: any of numerous chiefly tropical gastropod mollusks (family Cymatiidae) that resemble the related tritons but have notably thick heavy rugose or tuberculated shells also : a shell of one of these mollusks

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 frog shell

1851, in the meaning defined above

Keep scrolling for more

Learn More about frog shell

Share frog shell

Statistics for frog shell

Look-up Popularity

Time Traveler for frog shell

The first known use of frog shell was in 1851

See more words from the same year

Comments on frog shell

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


something that serves to warn or remind

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
True or False

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

Bee Cubed

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


Love words? Need even more definitions?

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