tri ‧ ceps /ˈtraɪseps/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Modern Latin ; Origin: Latin , 'three-headed' , from tri- + caput 'head' ]
the large muscle at the back of your upper arm
tri ‧ ceps /ˈtraɪseps/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Modern Latin ; Origin: Latin , 'three-headed' , from tri- + caput 'head' ]
the large muscle at the back of your upper arm
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012