ぶもん 部門 Common word JLPT N1 LinksSentence search for 部門Sentence search for ぶもんKanji details for 部 and 門Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. division (of a larger group); branch; field; class (subclass); group; category; department Discussions Log in to talk about this word.