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Definition of "deltoid" [del•toid]

  • A thick triangular muscle covering the shoulder joint, used to raise the arm from the side. (noun)
  • Triangular. (adjective)
  • Of or relating to the deltoid. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "deltoid" in a sentence
  • "They would aim for the muscle that Tariq, in a professorial voice, called the deltoid"
  • "To the nullah I observed Stellaria cana, Berberis asiatica, which has re - appeared, Erythrina, Rubus deltoid, which is very common all over these parts and whose fruit is palatable, Uvularia, Swertia plantaginifolia,"
  • "-- The deltoid is the simplest, and the most easily constructed of all the kites."