Noun:
1: trade the commercial exchange (buying and selling on domestic or international markets) of goods and services; "Venice was an important center of trade with the East"; "they are accused of conspiring to constrain trade"
2: trade, craft people who perform a particular kind of skilled work; "he represented the craft of brewers"; "as they say in the trade"
3: swap, barter, swop, trade an equal exchange; "we had no money so we had to live by barter"
4: craft, trade the skilled practice of a practical occupation; "he learned his trade as an apprentice"
5: deal, business deal, trade a particular instance of buying or selling; "it was a package deal"; "I had no further trade with him"; "he's a master of the business deal"
6: trade, patronage the business given to a commercial establishment by its customers; "even before noon there was a considerable patronage"
7: trade wind, trade steady winds blowing from east to west above and below the equator; "they rode the trade winds going west"
Verb:
1: trade, merchandise engage in the trade of; "he is merchandising telephone sets"
2: trade in, trade turn in as payment or part payment for a purchase; "trade in an old car for a new one"
3: trade be traded at a certain price or under certain conditions; "The stock traded around $20 a share"
4: swap, swop, switch, trade exchange or give (something) in exchange for
5: deal, sell, trade do business; offer for sale as for one's livelihood; "She deals in gold"; "The brothers sell shoes"