1. noun /ɛkstʃeɪndʒ/
a) An act of exchanging or trading.
All in all, it was an even exchange.
b) A place for conducting trading.
The stock exchange is open for trading.
2. verb /ɛkstʃeɪndʒ/
Ill gladly exchange my place for yours.
b) To replace with a similar item.
Id like to exchange this shirt for one in a larger size.
Wikipedia foundation.