Commerce

1. Sexual intercourse.
2. The exchange or buying and selling of commodities; esp. the exchange of merchandise, on a large scale, between different places or communities; extended trade or traffic.
3. Social intercourse; the dealings of one person or class in society with another; familiarity.
4. To hold intercourse; to commune.
5. A round game at cards, in which the cards are subject to exchange, barter, or trade.
6. To carry on trade; to traffic.