Deltoid meaning

dĕltoid
Frequency:
A thick triangular muscle covering the shoulder joint, used to raise the arm from the side.
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Of or relating to the deltoid.
adjective
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Shaped like a delta; triangular.
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Designating or of a large, triangular muscle which covers the shoulder and raises the arm away from the side.
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The deltoid muscle.
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A thick triangular muscle covering the shoulder joint, used to raise the arm from the side.
noun
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Of or relating to the deltoid.
adjective
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The deltoid muscle, a triangular muscle on the human shoulder.
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The deltoid ligament, a triangular ligament on the human ankle.
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In the shape of the upper case Greek letter delta Δ; triangular.
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Of, or connected with the deltoid muscle.
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(botany, of leaves) Of a triangular or roughly triangular shape and attached to the stem via the side.
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Origin of deltoid

  • New Latin deltoīdēs from Greek deltoeidēs triangular delta delta delta -oeidēs -oid

    From American Heritage Dictionary of the English Language, 5th Edition

  • From deltoideus, which was in turn from Ancient Greek adjective δελτοειδής (deltoeidēs). See also: δέλτα (delta) the fourth letter of the Greek alphabet.

    From Wiktionary