Definitions

1. noun

A person or thing that exchanges something, especially money, goods, or services.

“The currency exchanger helped us convert our money to the local currency.”

2. noun

A device or system for exchanging or converting something, especially electrical or thermal energy.

“The heat exchanger was designed to improve the efficiency of the engine.”

3. verb

To give or receive something in exchange, especially money, goods, or services.

“The store allows customers to exchange gifts that don’t fit.”