triceps

Definition of Triceps in English :

1. triceps

any skeletal muscle having three origins (but especially the triceps brachii)

WordNet Lexical Database for English. Princeton University. 2010.

Triceps

noun plural -cepses (-sɛpsɪz) or -ceps

any muscle having three heads, esp the one (triceps brachii) that extends the forearm

nounWord forms: plural ˈtriceps or ˈtricepses

a muscle having three heads, or points of origin; esp., the large muscle at the back of the upper arm that extends the forearm when contracted

n. pl. triceps

A large three-headed muscle running along the back of the upper arm and serving to extend the forearm.