(finance, agriculture) An organization operating under a set of bylaws aimed at promoting trade in one or more commodities by providing services and rules for the conduct of trade.

(dated, UK) An employment agency, a job centre

plural of medium of exchange

A building where farmers and traders traded cereal grains.

plural of exchange rate

plural of exchange student

A student who is participating in a student exchange scheme.

(finance) The determination of the exchange rate between currencies when there are one or more intermediate places through which the operations must pass.

(rare, archaic, idiomatic, euphemistic) To engage in sexual intercourse.

(literally, of two parties) To make a mutual promise. / To get married.