thenar muscle
noun
: any of the muscles that comprise the intrinsic musculature of the thumb and include the abductor pollicis brevis, adductor pollicis, flexor pollicis brevis, and opponens pollicis
Cite this Entry
“Thenar muscle.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thenar%20muscle. Accessed 29 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share