noun
biceps
Anatomical term for the biceps muscle, especially the biceps brachii of the upper arm.
二頭筋を鍛えるトレーニングを毎日行っている。
I do training to strengthen my biceps every day.
Triceps muscle, the antagonist of the biceps.
From 二 (two) + 頭 (head) + 筋 (muscle), referring to the two-headed structure of the biceps muscle.