Meaning of triceps

tri•ceps

Pronunciation: (trī'seps), [key]
— pl. -ceps•es -ceps.
  1. a muscle having three heads or points of origin, esp. the muscle on the back of the arm, the action of which straightens the elbow.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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