Definition of triceps in English:

triceps

Line breaks: tri|ceps
Pronunciation: /ˈtrʌɪsɛps
 
/

noun (plural same)

Anatomy
Any of several muscles having three points of attachment at one end, particularly (also triceps brachii /ˈbreɪkɪʌɪ/) the large muscle at the back of the upper arm: [as modifier]: the full range of triceps movement
More example sentences
  • Palpation of the soft tissues begins with the biceps and triceps muscles.
  • Then the biceps relaxes and the triceps contracts to straighten the elbow.
  • The rotating French press is a terrific triceps toner because it really isolates the triceps muscle.

Origin

late 16th century: from Latin, literally 'three-headed', from tri- 'three' + -ceps (from caput 'head').

Definition of triceps in:

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