Meaning of “shoot sb/sth down” - Learner’s Dictionary

shoot sb/sth down

phrasal verb with shoot us uk /ʃuːt/ verb past tense and past participle shot

to destroy an aircraft or make it fall to the ground by firing bullets or weapons at it:

The plane was shot down over enemy territory.

(Definition of “shoot sb/sth down” from the Cambridge Learner’s Dictionary © Cambridge University Press)