AskDefine | Define deltoid

Dictionary Definition

deltoid adj : of a leaf shape; suggesting a capital delta, with a point at the apex n : a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm [syn: deltoid muscle, musculus deltoideus]

User Contributed Dictionary

English

Etymology

  • The Greek adjective δελτοειδής.

Noun

  1. The deltoid muscle, a triangular muscle on the human shoulder.

Adjective

  1. In the shape of the upper case Greek letter delta Δ; triangular.
  2. Of, or connected with the deltoid muscle
  3. botany of leaves Of a triangular or roughly triangular shape and attached to the stem via the side.

Derived terms

Extensive Definition

Deltoid (delta-shaped) can refer to:

See also

deltoid in Italian: Deltoide

Synonyms, Antonyms and Related Words

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