<p><strong>Noun:</strong></p><ul><li>an interchange of goods or commodities, especially on a large scale between different countries (foreign commerce) or between different parts of the same country (domestic commerce); trade; business.</li><li>social relations, especially the exchange of views, attitudes, etc.</li><li>sexual intercourse.</li><li>intellectual or spiritual interchange; communion.</li><li>(initial capital letter) Also called Commerce Department.</li><li>Informal. the Department of Commerce.</li></ul>