What does 部门 (bù mén) mean in English?

Card 64HSK 2010 Level 564/1311
CARD64
PROGRESS5%
部门
門门
bù mén
department; branch; section; division; CL:個|个[ge4]

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d