■ noun
1》 the buying and selling of goods and services.
↘ N. Amer. (in sport) a transfer.
2》 a job requiring manual skills and special training.
3》 ( the ~ ) [treated as sing. or plural ] a particular area of business.
↘ dated, chiefly derogatory the practice of making one's living in business, as opposed to in a profession or from unearned income.
4》 a ~ wind.
■ verb
1》 buy and sell goods and services.
↘buy or sell (an item or product).
↘(especially of shares or currency) be bought and sold at a specified price.
↘ N. Amer. transfer (a player) to another team.
2》 exchange, typically as a commercial transaction.
↘give and receive (insults or blows).
↘( ~ something in ) exchange a used article in part payment for another.
↘( ~ something off ) exchange something of value, especially as part of a compromise.
3》 ( ~ on ) take advantage of.
Derivatives
tradable (or ~able ) adjective
trading noun
Origin
ME: from Mid. Low Ger., lit. 'track', of W. Gmc origin; related to tread .