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biceps

biceps


bi·ceps    Audio Help   (bī'sěps')   

n.   pl. biceps or bi·ceps·es (-sěp'sĭz)

  1. A muscle with two heads or points of origin.

    1. The large muscle at the front of the upper arm that flexes the forearm. Also called biceps brachii.

    2. The large muscle at the back of the thigh that flexes the knee joint. Also called biceps femoris.


[From Latin, two-headed : bi-, two; see bi-1 + caput, head; see kaput- in Indo-European roots.]
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The American Heritage® Dictionary of the English Language, Fourth Edition
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