What does 肺 (fèi) mean in English?

Card 274HSK 2010 Level 5274/1311
CARD274
PROGRESS21%
肺
fèi
lung; CL:個|个[ge4]
Click to reveal
← Previous↑ DeckNext →

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