1. department (in an organization, company, etc.); division; bureau; faculty
above 課, below 局
でもデザイン部の私たちも確認するべきだった。But we in the design department should have checked as well.
2. club (at a school, university, etc.); team
ええ、部の活動のことなどすっかり忘れてますわ。Yes, I have completely forgotten about things like club activities.
3. part; portion; region; area
太い男の声が、中枢部の空間一杯に響いた。A deep male voice echoed throughout the entire space of the central area.
4. category; class; division; section; heading
5. counter for copies of a newspaper, magazine, book, etc.
去年は何部売れたんでしたっけ？How many copies did it sell last year?