triceps

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noun tri·ceps \ ˈtrī-ˌseps \

Definition of triceps

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

  1. He felt a pain in his right triceps.

Recent Examples of triceps from the Web

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.

Origin and Etymology of triceps

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


TRICEPS Defined for English Language Learners

triceps

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noun

Definition of triceps for English Language Learners

  • : a large muscle along the back of the upper arm


Medical Dictionary

triceps

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noun tri·ceps \ ˈtrī-ˌseps \

medical Definition of triceps

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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