1. (

• pectoral ,
• pectoral_muscle ,
• pectoralis ,
• musculus_pectoralis ,
• pecs

) either of two large muscles of the chest ;

2. (

• pectoral ,
• pectoral_medallion

) an adornment worn on the chest or breast ;

1. (

• pectoral ,
• thoracic

) of or relating to the chest or thorax; "pectoral organ" ;