Definition of fibroid
(Entry 1 of 2)
: resembling, forming, or consisting of fibrous tissue
a fibroid tumor
fibroid
nounDefinition of fibroid (Entry 2 of 2)
: a benign tumor that consists of fibrous and muscular tissue and occurs especially in the uterine wall
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share fibroid
Time Traveler for fibroid
The first known use of fibroid was in 1852
See more words from the same year