pectoralis

Definitions of pectoralis

1. noun

   either of two large muscles of the chest
   synonyms: musculus pectoralis, pecs, pectoral, pectoral muscle

   types:

   greater pectoral muscle, musculus pectoralis major, pectoralis major

   a skeletal muscle that adducts and rotates the arm

   musculus pectoralis minor, pectoralis minor, smaller pectoral muscle

   a skeletal muscle that draws down the scapula or raises the ribs

   type of:

   skeletal muscle, striated muscle

   a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes