Old English dælere "divider, distributor; agent, negotiator," agent noun from deal (v.). Meaning "player who passes out the cards in a game" is from c. 1600; meaning "one who deals in merchandise" is from 1610s. Illegal drug sense is recorded by 1920.
权威例句
1. His heir sold the painting to the London art dealer Agnews.
他的继承人把这幅画卖给了伦敦艺术品经销商阿格纽斯。
2. They aim to clear every dealer from the street.