verb
To convey for a consideration
To betray
sell implies the transferral of ownership of something to another for money to sell books, a house, etc.; barter implies an exchange of goods or services without using money to barter food for clothes; trade, in transitive use, also implies the exchange of articles let's trade neckties, and, intransitively, implies the carrying on of a business in which one buys and sells a specified commodity to trade in wheat; auction implies the public sale of items one by one, each going to the highest of the competing bidders to auction off unclaimed property; vend applies especially to the selling of small articles, as by peddling, coin-operated machine, etc. to vend souvenirs at the parade, vending machines
See sell in Webster's New World Roget's A-Z Thesaurus II
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