commercial enterprises organized and financed on a scale large enough to influence social and political policies; "big business is growing so powerful it is difficult to regulate it effectively"
the difference in value over a period of time of a country's imports and exports of merchandise; "a nation's balance of trade is favorable when its exports exceed its imports"
an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit
a sports implement (usually consisting of a handle and an oval frame with a tightly interlaced network of strings) used to strike a ball (or shuttlecock) in various games
(physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons