Meaning of “moan” - Learner’s Dictionary

moan

verb [ I ] uk us /məʊn/
COMPLAIN

to complain or speak in a way that shows you are unhappy:

She's always moaning about something.
SOUND

to make a low sound, especially because you are in pain:

He lay on the floor moaning.
moan noun [ C ]

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