noun
a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm
• Syn: ↑deltoid, ↑musculus deltoideus
• Hypernyms: ↑skeletal muscle, ↑striated muscle
• Part Holonyms: ↑rotator cuff
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deltoid muscle noun
The large triangular muscle of the shoulder
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Main Entry: ↑delta
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deltoid muscle,
a large, triangular muscle of the shoulder. It lifts the arm away from the side of the body.
Useful english dictionary. 2012.