What does 隐蔽 (yǐnbì) mean in English?

Card 3116HSK Level 43116/3571
CARD3116
PROGRESS87%
隐蔽
隱蔽
yǐnbì
lie up; take cover(Verb)

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