外がい為ためがいためFreq.FrequencyTop 50,000Meanings1nounforeign exchangeabbreviationAbbreviation of 外国為替 (がいこくかわせ). Used in financial contexts, often in compounds like 外為市場 (foreign exchange market).See also: 外国為替外がい為ため市し場じょうで円えん高だかが進すすんでいる。The yen is strengthening in the foreign exchange market.