infraspinatus
noun
in·fra·spi·na·tus
ˌin-frə-spī-ˈnāt-əs 
plural infraspinati
-ˈnā-ˌtī
: a muscle that occupies the chief part of the infraspinous fossa of the scapula, is inserted into the greater tubercle of the humerus, and rotates the arm laterally
Cite this Entry
“Infraspinatus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/infraspinatus. Accessed 4 Nov. 2025.
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