Noun: pectoral muscle
- Either of two large muscles of the chest
"He worked out his pectoral muscle with bench presses and push-ups";
- pectoral, pectoralis, musculus pectoralis, pecs, pec [informal]
Derived forms: pectoral muscles
Type of: skeletal muscle, striated muscle
Part of: chest, pectus, thorax
Encyclopedia: Pectoral muscle