What does 一団 mean?
一団 is a Japanese noun meaning “body; group; party; gang” in English. It is written as 一団 in kanji, いちだん in hiragana, and ichidan in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
群衆は密集した一団となって動いていた。
The crowd was moving in a solid body.