1. (n.) A track; a trail; a way; a path; also, passage; travel; resort.

2. (v.) Course; custom; practice; occupation; employment.

3. (v.) Business of any kind; matter of mutual consideration; affair; dealing.

4. (v.) Specifically: The act or business of exchanging commodities by barter, or by buying and selling for money; commerce; traffic; barter.

5. (n.) The business which a person has learned, and which he engages in, for procuring subsistence, or for profit; occupation; especially, mechanical employment as distinguished from the liberal arts, the learned professions, and agriculture; as, we speak of the trade of a smith, of a carpenter, or mason, but not now of the trade of a farmer, or a lawyer, or a physician.

6. (v.) Instruments of any occupation.

7. (n.) A company of men engaged in the same occupation; thus, booksellers and publishers speak of the customs of the trade, and are collectively designated as the trade.

8. (n.) The trade winds.

9. (v.) Refuse or rubbish from a mine.

10. (v. i.) To barter, or to buy and sell; to be engaged in the exchange, purchase, or sale of goods, wares, merchandise, or anything else; to traffic; to bargain; to carry on commerce as a business.

11. (v. i.) To buy and sell or exchange property in a single instance.

12. (v. i.) To have dealings; to be concerned or associated; -- usually followed by with.

13. (v. t.) To sell or exchange in commerce; to barter.

14. (v.) imp. of Tread.