1. a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm; [syn: deltoid, deltoid muscle, musculus deltoideus]
WordNet (r) 3.0 (2006):
musculus deltoideus
n 1: a large triangular muscle covering the shoulder joint and
serving to abduct and flex and extend and rotate the arm
[syn: deltoid, deltoid muscle, musculus deltoideus]