extensor
noun
ex·ten·sor
ik-ˈsten(t)-sər 
: a muscle serving to extend a bodily part (such as a limb)
Examples of extensor in a Sentence
Recent Examples on the Web
Coulombe missed nearly a month in May with a left forearm extensor strain, then a separate IL stint in September with left shoulder fatigue.
—
Jen McCaffrey, New York Times, 13 Mar. 2026
This classical Pilates exercise targets your lower back muscles and extensors, which help with lifting objects.
—Leoni Jesner, Health, 1 Nov. 2025
Deadlifts engage the glutes, hamstrings, and back extensors.
—Aubrey Bailey, Verywell Health, 14 July 2025
According to the team, Crawford underwent successful surgery to reconstruct the stabilizing sheath of the extensor carpi ulnaris (ECU) in his right wrist.
—Mac Cerullo, Boston Herald, 2 July 2025
See All Example Sentences for extensor
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Jen McCaffrey, New York Times, 13 Mar. 2026
This classical Pilates exercise targets your lower back muscles and extensors, which help with lifting objects.
—Leoni Jesner, Health, 1 Nov. 2025
Deadlifts engage the glutes, hamstrings, and back extensors.
—Aubrey Bailey, Verywell Health, 14 July 2025
According to the team, Crawford underwent successful surgery to reconstruct the stabilizing sheath of the extensor carpi ulnaris (ECU) in his right wrist.
—Mac Cerullo, Boston Herald, 2 July 2025
See All Example Sentences for extensor
Cite this Entry
“Extensor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extensor. Accessed 16 Mar. 2026.
Copy CitationKids Definition
extensor
noun
ex·ten·sor
ik-ˈsten(t)-sər
: a muscle serving to extend a bodily part (as a leg or arm)
Medical Definition
extensor
noun
ex·ten·sor
ik-ˈsten(t)-sər
-sȯ(ə)r
-sȯ(ə)r
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