Meaning of “unload” - Learner’s Dictionary

unload

verb uk us /ʌnˈləʊd/
REMOVE [ I, T ]

to remove things from a vehicle:

Can you help me unload the car?
SHIP/AIRCRAFT [ I ]

If a ship, aircraft, etc unloads, goods are taken off it.

(Definition of “unload” from the Cambridge Learner’s Dictionary © Cambridge University Press)