What does 肥皂 (féi zào) mean in English?

Card 273HSK 2010 Level 5273/1311
CARD273
PROGRESS21%
肥皂
féi zào
soap; CL:塊|块[kuai4],條|条[tiao2]

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