brachii definition
: a muscle having two heads: asa also biceps brachii \-ËbrÄ-kÄ-ËÄ, -ËÄ«\ play or biceps flexor cubiti \-Ëflek-ËsoÌr-ËkyÃ¼-bÉ-ËtÄ«, -bÉt-Ä\ play : the large flexor muscle of the front of the upper arm arising by its short head from the coracoid process and by its long head from the upper margin of the glenoid cavity and being inserted into the ...