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
After having surgery to repair his extensor tendon that October, he was also limited to being the Padres’ DH until the 29th game of 2024.
—
Kevin Acee, San Diego Union-Tribune, 23 Mar. 2026
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
See All Example Sentences for extensor
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Kevin Acee, San Diego Union-Tribune, 23 Mar. 2026
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
See All Example Sentences for extensor
Cite this Entry
“Extensor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extensor. Accessed 1 Apr. 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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