C1[C]a particular business or industry: the building/catering/tourist tradethe book/car/fur tradeHe worked in the same trade all his life.Industry and industrial processesBusiness and commerce - general wordsB2[C or U]a job, especially one that needs special skill, that involves working with your hands: After she left school, she went to college to learn a trade.He's a carpenter by trade.Jobs, careers and professionsWorkingthe trade[S]›the people who work in a particular business or industry or in the same one: People who work in the trade can buy their books at a discount.The company only supplies its goods to the (building/catering) trade, not direct to the public.Businesses and enterprises