What does 密集 mean?
密集 is a Japanese noun meaning “crowd, close formation, dense” in English. It is written as 密集 in kanji, みっしゅう in hiragana, and misshuu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
この森には野ブドウが密集して生えている。
There is a dense growth of vines in this forest.