What does 礼 mean?
礼 is a Japanese noun meaning “expression of gratitude; bow” in English. It can also be translated as “manners, bow (i.e. bending of the body), reward” depending on context. It is written as 礼 in kanji, れい in hiragana, and rei in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼女の親切な助言に対して彼は礼を述べた。
He thanked her for her kind help.