What does チャイム mean?
チャイム is a Japanese noun meaning “chime” in English. It is written as チャイム in hiragana, and chaimu in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
教室に入って席に着くのとほぼ同時に、始業を知らせるチャイムの音が鳴り響く。
About the same time as he entered the classroom and arrived at his seat, the chime to announce class rings across the school.