n. the skilled practice of a practical occupation; "he learned his trade as an apprentice"

n. 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"

n. the business given to a commercial establishment by its customers; "even before noon there was a considerable patronage"

n. an equal exchange; "we had no money so we had to live by barter"

n. 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"

n. people who perform a particular kind of skilled work; "he represented the craft of brewers"; "as they say in the trade"

n. steady winds blowing from east to west above and below the equator; "they rode the trade winds going west"

v. turn in as payment or part payment for a purchase; "trade in an old car for a new one"

v. be traded at a certain price or under certain conditions; "The stock traded around $20 a share"

adj. relating to or used in or intended for trade or commerce: "a trade fair"; "trade journals"; "trade goods"