What does 窗户 (chuāng hu) mean in English?

Card 54HSK 2010 Level 454/586
CARD54
PROGRESS9%
窗户
窗戶
chuāng hu
window; CL:個|个[ge4],扇[shan4]
Click to reveal
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Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d