noun
Japanese yen; JPY
The official currency of Japan. Often used in financial contexts or when distinguishing from other yen-denominated currencies.
日本円を米ドルに両替したいです。
I would like to exchange Japanese yen for US dollars.
この商品の価格は日本円で表示されています。
The price of this product is shown in Japanese yen.
ドル is the dollar, a different currency. 日本円 is the Japanese yen.
Compound of 日本 (Nihon, 'Japan') and 円 (en, 'yen'). The yen was adopted as Japan's official currency in 1871.