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