noun
money-exchange shop; currency exchange
A shop or business where currency is exchanged. Often refers to historical or specialized exchange houses, but can be used for modern currency exchange counters.
空港の両替屋でドルを円に換えた。
I exchanged dollars for yen at the currency exchange shop in the airport.
Compound of 両替 (りょうがえ, 'money exchange') and 屋 (や, 'shop').