Dictionary/分室ぶんしつBunshitsu分室 (Bunshitsu) is a Japanese noun meaning “detached office, annex”.Meaningsnoundetached office; annexKanji in 分室分part室roomRelated words分かるto understand自分myself分minute (unit of time)分part多分probably随分very十分enough気分feeling室room申し訳apology大分considerably言い訳excuse