The noun trade has 7 senses (first 6 from tagged texts)
1. (394) 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. (124) craft, trade -- (people who perform a particular kind of skilled work; "he represented the craft of brewers"; "as they say in the trade")
3. (107) barter, swap, swop, trade -- (an equal exchange; "we had no money so we had to live by barter")
4. (94) trade, craft -- (the skilled practice of a practical occupation; "he learned his trade as an apprentice")
5. (32) deal, trade, business deal -- (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. (18) 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")
Overview of verb trade
The verb trade has 5 senses (first 4 from tagged texts)
1. (6) trade, merchandise -- (engage in the trade of; "he is merchandising telephone sets")
2. (6) trade, trade in -- (turn in as payment or part payment for a purchase; "trade in an old car for a new one")
3. (2) trade -- (be traded at a certain price or under certain conditions; "The stock traded around $20 a share")
4. (2) trade, swap, swop, switch -- (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")