Definition of breccia
: a rock composed of sharp fragments embedded in a fine-grained matrix (such as sand or clay)
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share breccia
Time Traveler for breccia
The first known use of breccia was in 1758
See more words from the same year