n.[C]

1. 业者，商人[（+in）]
   Mr. Brown is a dealer in furniture.

   布朗先生是个家具商。

2. 发牌者
3. 行为者
   a plain dealer

   质朴的人

4. 【俚】毒品贩子

n.

1. a person who buys and sells goods.
   ▸a person who buys and sells shares or other financial assets as a principal (rather than as a broker or agent).
2. a player who deals cards in a card game.