Search Result for "pecs":
Wordnet 3.0

NOUN (1)

1. either of two large muscles of the chest;
[syn: pectoral, pectoral muscle, pectoralis, musculus pectoralis, pecs]



The Collaborative International Dictionary of English v.0.48:

pecs \pecs\ (p[e^]ks), n. pl. (Anat.) [contraction from pectoral
   muscles.]
   The pectoral muscles; -- a contraction used by body-building
   and health enthusiasts. Used similarly to abs and delts.
   [informal]
   [PJC]