Meaning of “stir” - Learner’s Dictionary

stir

verb us uk /stɜːr/ present participle stirring, past tense and past participle stirred
MIX [ T ]

B1 to mix food or liquid by moving a spoon, or similar object, round and round in it:

Stir the mixture until it is smooth.

More examples

MOVE [ I, T ]

to move slightly or make someone move slightly:

The baby stirred in its sleep.
FEEL [ T ]

to make someone feel a strong emotion:

The case has stirred great anger among the public.

See also

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