triceps
noun
tri·ceps
ˈtrī-ˌseps 
plural triceps
: a muscle that arises from three heads
especially
: the large extensor muscle along the back of the upper arm
Examples of triceps in a Sentence
He felt a pain in his right triceps.
Recent Examples on the Web
The injury to his triceps Nov. 24 against the Los Angeles Rams had Graham facing a possible premature end to his career.
—
Ryan Canfield, Fox News, 8 Feb. 2025
Graham, 36, has been out since Week 12 with a triceps injury and thought his season — and possibly his career — might be over.
—Ryan Canfield, Fox News, 30 Jan. 2025
This upper-body move really works your shoulders, and your triceps (the muscles along the back of your upper arms) come in with the assist.
—Christa Sgobba, SELF, 6 Jan. 2025
The Philadelphia Eagles' superb season hit a bump Sunday night when Brandon Graham tore a triceps, an injury that ended his season.
—Ryan Morik, Fox News, 27 Nov. 2024
See All Example Sentences for triceps
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Ryan Canfield, Fox News, 8 Feb. 2025
Graham, 36, has been out since Week 12 with a triceps injury and thought his season — and possibly his career — might be over.
—Ryan Canfield, Fox News, 30 Jan. 2025
This upper-body move really works your shoulders, and your triceps (the muscles along the back of your upper arms) come in with the assist.
—Christa Sgobba, SELF, 6 Jan. 2025
The Philadelphia Eagles' superb season hit a bump Sunday night when Brandon Graham tore a triceps, an injury that ended his season.
—Ryan Morik, Fox News, 27 Nov. 2024
See All Example Sentences for triceps
Articles Related to triceps
Cite this Entry
“Triceps.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triceps. Accessed 4 Mar. 2025.
Copy CitationKids Definition
triceps
noun
tri·ceps
ˈtrī-ˌseps
plural triceps
: a large muscle along the back of the upper arm that is attached at its upper end by three main parts and that acts to extend the arm at the elbow joint
Medical Definition
triceps
noun
tri·ceps
ˈtrī-ˌseps
plural triceps also tricepses
: a muscle that arises from three heads:
a
: the large extensor muscle that is situated along the back of the upper arm, arises by the long head from the infraglenoid tubercle of the scapula and by two heads from the shaft of the humerus, is inserted into the olecranon at the elbow, and extends the forearm at the elbow joint
called also triceps brachii
b
: the gastrocnemius and soleus muscles viewed as constituting together one muscle
called also triceps surae
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