commerce

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The buying and selling of goods, especially on a large scale, as between cities or nations. See Synonyms at business.
2. n. Intellectual exchange or social interaction.
3. n. Sexual intercourse.

Century Dictionary and Cyclopedia

1. n. Interchange of goods, merchandise, or property of any kind; trade; traffic: used more especially of trade on a large scale, carried on by transportation of merchandise between different countries, or between different parts of the same country, distinguished as foreign commerce and internal commerce: as, the commerce between Great Britain and the United States, or between New York and Boston; to be engaged in commerce.
2. n. Social intercourse; fellowship; mutual dealings in common life; intercourse in general.
3. n. Sexual intercourse.
4. n. A game of cards, played by any number of persons, in which a hand of five cards is dealt to each player, the two players having the poorest hands retiring from the game, this being continued until only two persons are left, who are declared the winners and receive prizes. If, during play, a person in the game speaks to another out of it, he forfeits his hand to him.
5. n. Synonyms Business.
6. n. Communication; communion; intercourse.
7. To traffic; carry on trade; deal.
8. To hold social intercourse; commune.

Wiktionary

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

GNU Webster's 1913

1. n. 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.
2. n. Social intercourse; the dealings of one person or class in society with another; familiarity.
3. n. Sexual intercourse.
4. n. A round game at cards, in which the cards are subject to exchange, barter, or trade.
5. v. obsolete To carry on trade; to traffic.
6. v. To hold intercourse; to commune.

WordNet 3.0

1. n. the United States federal department that promotes and administers domestic and foreign trade (including management of the census and the patent office); created in 1913
2. n. transactions (sales and purchases) having the objective of supplying commodities (goods and services)
3. n. social exchange, especially of opinions, attitudes, etc.