tri·​ceps | \ ˈtrī-ˌseps How to pronounce triceps (audio) \
plural triceps

Definition of 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

Robinson could get another shot in Cleveland as new man on the blind side, a post where Thomas notched 10 consecutive Pro Bowl nods before tearing a triceps muscle last season. Nate Davis, USA TODAY, "Joe Thomas replacement? Browns sign former No. 2 overall draft pick Greg Robinson," 19 June 2018 In addition to the triceps work, the list of muscles working here includes rectus abdominis, transverse abdominis and internal and external obliques. Leah Prinzivalli, SELF, "This Triceps Move From Chelsea Handler's Trainer Doubles as a Killer Core Exercise," 2 May 2018 Logan still searching: Veteran reliever Boone Logan has been playing catch-up since missing the first five weeks with a triceps strain suffered during spring training. Tom Haudricourt, Milwaukee Journal Sentinel, "Hero today, gone tomorrow: Brewers option Ji-Man Choi to minors to add Woodruff to roster," 10 June 2018 Cubs righthander Yu Darvish has inflammation in his right triceps but no structural damage, and could start a throwing program as soon as the weekend . ., "Scheduled auction of Vinny Paz’s R.I. home canceled," 30 May 2018 He's been out all season with a left triceps strain and returns after a six-game rehab stint in the minor leagues. Tom Haudricourt, Milwaukee Journal Sentinel, "Indians 6, Brewers 2: Offense silent again as Carrasco dominates," 9 May 2018 There are just two moves involved: overhead triceps extensions and triceps push-ups. Leah Prinzivalli, SELF, "The At-Home Triceps Workout Celebrity Trainer Erin Oprea Does in Her Living Room," 14 Mar. 2018 Both were removed from the game -- Miley with a left groin strain and Logan with a left triceps/shoulder issue. Todd Rosiak, Milwaukee Journal Sentinel, "Camp report: Eric Thames homers as Brewers outlast A's," 21 Mar. 2018 Reliever Boone Logan also was injured in that game against Oakland with what was being termed a triceps strain pending further examinations. Tom Haudricourt, Milwaukee Journal Sentinel, "Groin injury leaves Brewers and Wade Miley to figure out a way to keep him in organization," 22 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triceps.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of triceps

1676, in the meaning defined above

History and Etymology for triceps

New Latin tricipit-, triceps, from Latin, three-headed, from tri- + capit-, caput head — more at head

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Time Traveler for triceps

The first known use of triceps was in 1676

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English Language Learners Definition of triceps

: a large muscle along the back of the upper arm


tri·​ceps | \ ˈtrī-ˌseps How to pronounce triceps (audio) \
plural triceps also tricepses

Medical Definition of triceps

: 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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Rhyming Dictionary: Words that rhyme with triceps

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