What does 自卫 (zìwèi) mean in English?

Card 3526HSK Level 43526/3571
CARD3526
PROGRESS99%
自卫
自衛
zìwèi
self-defense(Verb)

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