biceps brachii
nounUK /ˈbaɪ.seps ˈbreɪ.ki.aɪ/
US /ˈbaɪ.seps ˈbreɪ.ki.aɪ/
The big muscle on the front of your upper arm that helps you bend your elbow.
He flexed his biceps brachii to show how strong his arm was.
OTHER MEANINGS
2. Either of the two heads of this muscle, the long head and the short head.
The long head of the biceps brachii runs along the front of the shoulder.
3. In anatomy, a muscle with two points of origin.
The biceps brachii is named for its two starting points on the shoulder blade.
4. A common term in fitness for the muscle trained by curling movements.
Bicep curls are a popular exercise for building the biceps brachii.