Meaning of “drown” - Learner’s Dictionary

drown

verb uk us /draʊn/
DIE [ I, T ]

to die because you are under water and cannot breathe, or to kill someone in this way:

Two people drowned in a boating accident yesterday.
COVER [ T ] (also drown out)

If a loud noise drowns the sound of something else, it prevents that sound from being heard:

His voice was drowned out by the traffic.

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