[ luh-tis-uh-muh s dawr-sahy ]
/ ləˈtɪs ə məs ˈdɔr saɪ /
noun, plural la·tis·si·mi dor·si [luh-tis-uh-mahy dawr-sahy] /ləˈtɪs əˌmaɪ ˈdɔr saɪ/. Anatomy.
a broad, flat muscle on each side of the midback, the action of which draws the arm backward and downward and rotates the front of the arm toward the body.
English Affixes From A To Z: A One-Stop List Of Suffixes, Prefixes, and Combining FormsIn English, we love to make new words by adding all sorts of bits to the front and back of existing terms. These are called affixes, and they are added to the base or stem of a word. When attached to the end of word, the affix is called a suffix. And to the beginning? A prefix.
Origin of latissimus dorsi
< New Latin: literally, the broadest (muscle) of the back
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for latissimus dorsi
[ lă-tĭs′ə-məs dôr′sī ]
A muscle with origin from the spinous processes of the lower thoracic and lumbar vertebrae, the median ridge of the sacrum, and the outer lip of the iliac crest, with insertion into the humerus, with nerve supply from the thoracodorsal nerve, and whose action adducts the arm, rotates it medially, and extends it.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.