deltoid









deltoid


noun

  1. Anatomy. a large, triangular muscle covering the joint of the shoulder, the action of which raises the arm away from the side of the body.

adjective

  1. Anatomy. pertaining to or involving the deltoid.
  2. Also deltoidal. in the shape of a Greek capital delta (Δ); triangular.

noun

  1. the thick muscle forming the rounded contour of the outer edge of the shoulder and acting to raise the arm

adjective

  1. shaped like a Greek capital delta, Δ; triangular
adj.

1741, in deltoid muscle, so called for its shape, from Greek deltoeides “triangular,” literally “shaped like the letter delta;” see delta + -oid.

adj.

  1. Of or relating to the deltoid muscle.
  2. Triangular in shape or outline.

n.

  1. The deltoid muscle.
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