<p><strong>Noun</strong></p><ul><li>The state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure.</li><li>A full assembly, as a joint legislative assembly.</li><li>A space, usually above a ceiling or below a floor, that can serve as a receiving chamber for air that has been heated or cooled to be distributed to inhabited areas.</li><li>The whole of space regarded as being filled with matter (vacuum).</li></ul><p><strong>End of Response</strong></p>