interchange

1. Standards based exchange of transaction data and money among banks participating in a bank card network such as those managed by Visa and MasterCard associations. It allows a cardholder to access his or her account from multiple ATMs and to make purchases at any participating merchants.

2. Transfer of cargo and equipment (aircraft or ships) from one carrier to another.

3. Agreement among interconnected electric utilities to buy, sell, and/or exchange surplus power among themselves.