<p><strong>Noun</strong></p><ul><li>the movement of vehicles, ships, persons, etc., in an area, along a street, through an air lane, over a water route, etc.</li><li>the vehicles, persons, etc., moving in an area, along a street, etc.</li><li>the transportation of goods for the purpose of trade, by sea, land, or air.</li><li>trade; buying and selling; commercial dealings.</li><li>trade between different countries or places; commerce.</li><li>the business done by a railroad or other carrier in the transportation of freight or passengers.</li><li>the aggregate of freight, passengers, telephone or telegraph messages, etc., handled, especially in a given period.</li><li>communication, dealings, or contact between persons or groups.</li><li>mutual exchange or communication.</li><li>trade in some specific commodity or service, often of an illegal nature.</li><li>illegal commercial trade in human beings for the purpose of exploiting them.</li></ul><p><strong>Verb</strong></p><ul><li>to carry on traffic, trade, or commercial dealings.</li><li>to trade or deal in a specific commodity or service, often of an illegal nature.</li><li>(of vehicles or persons) to move over or through (a place).</li><li>to trade or deal in (a commodity or service).</li><li>to trade in (human beings) for the purpose of exploitation.</li></ul>