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1. A thick triangular muscle covering the shoulder joint, used to raise the arm from the side.
2. See kite.
b. Having the shape of a geometric kite.
2. Of or relating to the deltoid.
[New Latin deltoīdēs, from Greek deltoeidēs, triangular : delta, delta; see delta + -oeidēs, -oid.]
(Anatomy) the thick muscle forming the rounded contour of the outer edge of the shoulder and acting to raise the arm
shaped like a Greek capital delta, Δ; triangular
[C18: from Greek deltoeidēs triangular, from delta]
1. a large, triangular muscle covering the joint of the shoulder, the action of which raises the arm away from the side of the body.adj.
2. pertaining to or involving the deltoid.
3. in the shape of a Greek capital delta (Δ); triangular.
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|Noun||1.||deltoid - a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm|
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
|Adj.||1.||deltoid - triangular or suggesting a capital delta, with a point at the apex|