tri·ceps
noun/ˈtraɪseps/
/ˈtraɪseps/
(plural triceps)
- the large muscle at the back of the top part of the arm
三头肌 Oxford Collocations DictionaryTriceps is used before these nouns:- workout
Word Originlate 16th cent.: from Latin, literally ‘three-headed’, from tri- ‘three’ + -ceps (from caput ‘head’).