Definition of latissimus dorsi
: a broad flat superficial muscle chiefly of the middle and lower back that extends, adducts, and rotates the arm medially and draws the shoulder downward and backward
Buying Guide
Our Reviews team has selected the best home gyms.
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 latissimus dorsi
Time Traveler for latissimus dorsi
The first known use of latissimus dorsi was in 1684
See more words from the same year