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Definition of: biceps
Our photo definition of biceps 
(bī′seps) noun plural bi·ceps Anat.
1. The large front muscle, or flexor, of the upper arm, the biceps bra·chi·i (brā′kē·ī).
2. The large flexor muscle at the back of the thigh, the biceps cru·ris (kr
r′is).
3. Loosely, muscular strength. [<L, two-headed <bis twofold + caput head]
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