serratus
noun
ser·ra·tus
se-ˈrāt-əs
plural serrati
-ˈrā-ˌtī
: any of three muscles of the thorax that have complex origins but arise chiefly from the ribs or vertebrae:
Cite this Entry
“Serratus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/serratus. Accessed 7 Jul. 2026.
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