›[T]to give or return something to someone and receive something from them: They shook hands and exchanged business cards.If the goods are faulty you should be able to exchange them.exchange sth for sthUnder these schemes, shareholdings can be exchanged for units in a unit trust.
›[T]FINANCEto change one currency into another: exchange sth for sthIn this way we will save on the costs of exchanging euro for sterling and vice versa.exchange sth into sthLarger hotels will exchange dollars into local currency.
›[T]COMMUNICATIONSto communicate with someone who then replies: We exchanged a few words before the meeting began.exchange sth with sbUsers can create pages with photos and personal information, and exchange e-mail with other users.
›[I or T]UKPROPERTYto sign a legal document with the person you are buying property from as the last part of the process of buying it: When you exchange, you must satisfy yourself that you are happy with the condition of the home you are moving into before you move.We hope to exchange contracts next week.