<p><strong>Noun</strong></p><ul><li>The upper limb of the human body, especially the part extending from the shoulder to the wrist.</li><li>The upper limb from the shoulder to the elbow.</li><li>The forelimb of any vertebrate.</li><li>Some part of an organism like or likened to an arm.</li><li>Any armlike part or attachment, as the tone arm of a phonograph.</li><li>A covering for the arm, especially a sleeve of a garment: the arm of a coat.</li><li>An administrative or operational branch of an organization: A special arm of the government will investigate.</li><li>Nautical: any of the curved or bent pieces of an anchor, terminating in the flukes.</li><li>An armrest.</li><li>An inlet or cove: an arm of the sea.</li><li>A combat branch of the military service, as the infantry, cavalry, or field artillery.</li><li>Power; might; strength; authority: the long arm of the law.</li><li>Synonyms: reach.</li><li>Support or protection: He had always been there when I needed a strong arm to lean on or a word of counsel.</li><li>May you take comfort knowing she is in God's loving arms.</li><li>Typography: either of the extensions to the right of the vertical line of a K or upward from the vertical stem of a Y.</li></ul>