What does 換える mean?
換える is a Japanese verb meaning “to exchange, to interchange, to substitute” in English. It can also be translated as “to exchange, to substitute (person, staff member, player, etc.)” depending on context. It is written as 換える in kanji, かえる in hiragana, and kaeru in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
銀行に行けばその５０ドルの小切手を現金に換えてくれる。
The bank will cash your fifty dollar check.