an interchange of goods or commodities, esp. on a large scale between different countries (foreign commerce) or between different parts of the same country (domestic commerce); trade; business.

social relations, esp. the exchange of views, attitudes, etc.

sexual intercourse.

intellectual or spiritual interchange; communion.

( initial capital letter ) Also called Commerce Department. Informal . the Department of Commerce.

noun

business , dealing , dealings , economics , exchange , industry , marketing , merchandising , merchantry , retailing , trade , traffic , truck , wholesaling , trading , barter , communication , intercourse