がいか 外貨 Common word JLPT N1 LinksSentence search for 外貨Sentence search for がいかKanji details for 外 and 貨Edit in JMdict Noun1. foreign currency; foreign money; foreign exchangeどこでがいか外貨のこうかん交換をすることができますか。Where can I get my money exchanged?Noun2. foreign goods; imported goods Discussions Log in to talk about this word.