Dictionary.com

pectoralis

[ pek-tuh-ral-is, -rey-lis, -rah- ]
/ ˌpɛk təˈræl ɪs, -ˈreɪ lɪs, -ˈrɑ- /
Save This Word!

noun, plural pec·to·ral·es [pek-tuh-ral-eez, -rey-leez, -rah-]. /ˌpɛk təˈræl iz, -ˈreɪ liz, -ˈrɑ-/. Anatomy.
either of two muscles on each side of the upper and anterior part of the thorax, the action of the larger (pectoralis major ) assisting in drawing the shoulder forward and rotating the arm inward, and the action of the smaller (pectoralis minor ) assisting in drawing the shoulder downward and forward.
QUIZ
FIRE UP YOUR VOCAB FOR A "RED" SYNONYMS QUIZ
No fire engine reds here, only a fierce collection of vibrant words for the color red to test yourself on.
Question 1 of 7
What does "amaranth" mean?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of pectoralis

<Latin pectorālis;see pectoral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use pectoralis in a sentence

FEEDBACK