Main Entry: tri·ceps

Pronunciation: \ˈtrī-ˌseps\

Function: noun

Inflected Form(s): plural triceps

Etymology: New Latin tricipit-, triceps, from Latin, three-headed, from tri- + capit-, caput head — more at head

Date: 1676

: a muscle that arises from three heads; especially : the large extensor muscle along the back of the upper arm