1. A merchant; a retailer; one who buys goods to sell them at a profit.
2. One who sells goods substantially in the form in which they are bought; one who has not converted them into another form of property by skill and labor.
3. One who, as a member of a stock exchange, buys and sells securities on the exchange floor either for brokers or on his or her own account.
4. One who buys and sells commodities and commodity futures for others or for his or her own account in anticipation of a speculative profit.
