(historical) Any profession that was disreputable because it caused a great deal of pollution. The archetypal example is the tannery.

The selling of goods on account, regular payments being recorded in a book kept by the customer and a duplicate (the "tally") kept in the tally shop

online trade

Alternative spelling of stock-in-trade

Merchandise and other necessary supplies kept on hand in order to do business.

(US, sports) A clause in a contract by players who do not wish to be traded without their consent.

a dispute between workers and their employer

The practice of nations creating mutual tariffs or similar barriers to trade.

A member of a trade union.

(US) A compliment heard about another person, offered to be repeated to that person in exchange for another repeated compliment about the speaker.