An 18th-century French card game in which the cards are subject to exchange, barter, or trade.
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.
Social intercourse; the dealings of one person or class in society with another; familiarity.
a musical instrument that is written in a different pitch to how it sounds, often for ease of playing multiple instruments of the same family that have different ranges.
A transposition.