A trade fair

(informal) The fashion industry.

(idiomatic) A shortcut or other quick, or very effective way of doing things, that professional workers learn from experience.

plural of trick of the trade

(publishing) A book that is marketed to a general audience (as opposed to books that have specialized audiences, such as academic books).

An early precursor of the business card, first produced at the beginning of the seventeenth century. / A trading card (such as a cigarette card).

A collectible card, sometimes sticker, usually made out of paperboard or thick paper, which usually contains an image of a certain person, place or thing (fictional or real) and a short description of the picture, along with other text (attacks, statistics, or trivia). There is a wide variation of different types of cards, like sports, cars, natural history, film characters or other information of interest to purchasers. Sometimes is included with tobacco, food or confectionery products.

(historical) Any of various kinds of coin-operated countertop machines used to encourage shoppers to indulge in a game of chance, popular in American saloons during the 1880s.

plural of trade stimulator

A man who perceives himself as straight while still engaging in same-sex sexual behavior. / The practice of same-sex sexual behavior involving at least one man who perceives himself as heterosexual.