rock crab


Definition of rock crab

: any of several crabs inhabiting rocky shores: such as
a : a crab (Cancer irroratus) of the east coast of North America
b : a crab (Cancer antennarius) of the Pacific coast
c : sally lightfoot
d : an Australian crab (Nectocarcinus integrifrons)

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 rock crab

Statistics for rock crab

Cite this Entry

“Rock crab.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2020.

Comments on rock crab

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


Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

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!