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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The long bone of the arm or forelimb, extending from the shoulder to the elbow.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The bone of the upper arm.

from the GNU version of the Collaborative International Dictionary of English

  • n. The bone of the brachium, or upper part of the arm or fore limb.
  • n. The part of the limb containing the humerus; the brachium.

from The Century Dictionary and Cyclopedia

  • n. In anatomy: The bone of the upper arm, extending from the shoulder-joint to the elbow-joint.
  • n. The proscapula of fishes: so called by Cuvier and his followers.
  • n. The mesocoracoid of fishes: so designated by Owen and others.
  • n. The shoulder or upper arm and associated parts.
  • n. In entomology: The femur of the fore leg; the brachium.
  • n. The subcostal or sub-marginal vein of the fore wing of certain hymenopters.
  • n. The front corner of the thoracic region seen from above; the shoulder: this may be the prothorax, as in Coleoptera, or the mesothorax, as in Diptera.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. bone extending from the shoulder to the elbow


Latin, upper arm.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Late Latin humerus, from umerus. (Wiktionary)



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