deltoid muscle

English Thesaurus

1. a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm (noun.body)

hypernym	:	skeletal muscle, striated muscle,
definition	:	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 (noun.body)

part meronym	:	rotator cuff,
definition	:	a supporting structure of the shoulder consisting of the muscles and tendons that attach the arm to the shoulder joint and enable the arm to move (noun.body)