Meaning of exchange in English
1. the act or process of exchanging things; the action of giving and receiving
An exchange of opinions is helpful.
2. a place where people meet to buy, sell, and trade things such as stock; exchange market
The US dollar took a nosedive on the foreign exchange market today.
1. give and receive something equal or similar in return; give the same kind of thing each other at the same time
We exchanged presents.
2. take something back to the shop where you bought it and get a different thing; replace with another
Could you exchange this, please?