<p><strong>Noun</strong></p><ul><li>diaphragm (def 1).</li><li>the middle part of the body, between the chest and the waist.</li><li>the part of a dress or bodice, usually close-fitting, that covers this part of the body.</li><li>a garment that exposes this part of the body.</li></ul><p><strong>Adjective</strong></p><ul><li>noting or pertaining to the middle part of the human body, the part of a garment that covers it, or a garment that exposes it.</li></ul>