We found 2 definitions of trade in from 2 different sources.
Verb |
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trade in - turn in as payment or part payment for a purchase; "trade in an old car for a new one" | ||
trade | ||
interchange, exchange, change reverse (a direction, attitude, or course of action) | ||
commercialism, mercantilism, commerce an economic system (Europe in 18th century) to increase a nation's wealth by government regulation of all of the nation's commercial interests | ||
barter away trade in in a bartering transaction |