Possible Definitions:
1. Merchant (n.) One who traffics on a large scale, especially with foreign countries; a trafficker; a trader.
2. Merchant (n.) A trading vessel; a merchantman.
3. Merchant (n.) One who keeps a store or shop for the sale of goods; a shopkeeper.
4. Merchant (a.) Of, pertaining to, or employed in, trade or merchandise; as, the merchant service.
5. Merchant (v. i.) To be a merchant; to trade.