From Longman Dictionary of Contemporary Englishdealingdeal‧ing /ˈdiːlɪŋ/ ●○○ noun1 →dealings2[uncountable] the activity of buying, selling, or doing business with people
penalties for drug dealingplain/honest/fair dealing (=a particular way of doing business)
a reputation for fair dealing →insider dealing, wheeling and dealingExamples from the Corpusdealing• The mayor wants to end all drugdealing in the city.• But then people go on about his past, the drug dealing and that.• First, schedule 3 to the Actexempts some exclusivedealingarrangements.• Other aspects to consider are charges, possibleconflicts of interest, and efficiency in dealing and settlement.• Yet most countries now have rules against insiderdealing, not least because it can put outsideinvestors off securities markets.• The argumentadvanced here is that insider dealing is the sort of conduct which ought to be criminal.• The second change would be to make the insider dealinglaw more effective.• When the managerrefused it, she got up and ran back upstairs to the dealingfloor.• On occasions when the wholedealing room was punting out the stock, the price might climb even further.plain/honest/fair dealing• In one area - the handling of government money - the boundary between peculation and honest dealing was clearly marked.• The normalfair dealingprovisionsapply otherwise.• He was a man to whom fair dealing came naturally and he was a just, if firm, master.From Longman Business Dictionarydealingdeal‧ing /ˈdiːlɪŋ/ noun1[uncountable] British EnglishFINANCE the job or activity of buying and selling stocks, shares, foreigncurrencies etc on a financial marketSYNTRADING AmEAfter the first hour of dealing, the FTSE had slipped 10.1 to 3025.3.Share dealings in the new issue will begin on Dec. 8.a full range of currency dealing services →after-hours dealing →fair dealing →insider dealing →over-the-counter dealing →wheeling and dealing2dealings [plural] the business relationships or activities that you have become involved inThe secret dealings of his department were made public.Anyone who has had dealings with an insurance company knows how long it takes for payment to be made. →shady dealings