deltoid muscle

Thesaurus

Noun

1.

deltoid muscle - a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm deltoid, musculus deltoideus 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 rotator cuff - 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