Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

rock mat

noun

Definition of rock mat 

: any of several evergreen prostrate subshrubs constituting a genus (Petrophytum) of the family Rosaceae

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 mat

Dictionary Entries near rock mat

rock manakin

rock maple

rock martin

rock mat

rock melon

rock milk

rock moss

Statistics for rock mat

Look-up Popularity

Comments on rock mat

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

Show Comments  Hide Comments 

WORD OF THE DAY

lenitive

alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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