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Synonyms

triceps

American  
[trahy-seps] / ˈtraɪ sɛps /

noun

Anatomy.
  • tricepses,
    plural
  • triceps
    plural
  1. a muscle having three heads or points of origin, especially the muscle on the back of the arm, the action of which straightens the elbow.


triceps British  
/ ˈtraɪsɛps /

noun

  1. any muscle having three heads, esp the one ( triceps brachii ) that extends the forearm

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

triceps Scientific  
/ trī′sĕps′ /
  1. The muscle at the back of the upper arm that raises and lowers the forearm. The triceps has three points of attachment to bone at its origin.


Other Word Forms

Noun Inflected Forms


Etymology

Origin of triceps

1570–80; < Latin: three-headed, equivalent to tri- tri- + -ceps, stem -cipit- -headed, derivative of caput head


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Vocabulary lists containing triceps

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The Rams on Wednesday placed Turner on injured reserve because of a groin strain, and Ford is out for the season because of a ruptured triceps.

From Los Angeles Times ● Oct. 22, 2026

The Rams also placed receiver Davante Adams and defensive lineman Poona Ford on injured reserve because of hamstring and triceps injuries, respectively.

From Los Angeles Times ● Oct. 20, 2026

His career has seen him undergo several operations, including on his neck, pec and triceps, with Cena saying in interviews that his "body hurts" and is "screaming to close the chapter".

From BBC ● Dec. 12, 2025

Initially told he might only have the use of his biceps, he is also building strength in his triceps and wrists.

From BBC ● Dec. 10, 2024

Folding it over his head, he grabs his elbow with his left hand and pulls it down for a deep stretch of his triceps.

From "Red Flags and Butterflies" by Sheryl Azzam

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