biceps

The definition of biceps are muscles with two points of origin particularly in the front of the upper arm or the back of the thigh.

(noun)

Examples of biceps are the muscles that flex the forearms.

See biceps in Webster's New World College Dictionary

noun pl. biceps or bicepses

a muscle having two heads, or points of origin; esp., the large muscle in the front of the upper arm or the corresponding muscle at the back of the thigh
loosely strength or muscular development, esp. of the arm

Origin: ModL < L < bis, two + caput, head

See biceps in American Heritage Dictionary 4

noun pl. biceps biceps or bi·ceps·es (-sĕpˌsĭz)

A muscle with two heads or points of origin.
a. The large muscle at the front of the upper arm that flexes the forearm. Also called biceps brachii.
b. The large muscle at the back of the thigh that flexes the knee joint. Also called biceps femoris.

Origin:

Origin: From Latin, two-headed

Origin: : bi-, two; see bi-¹

Origin: + caput, head; see kaput- in Indo-European roots

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