Meaning of “flicker” - Learner’s Dictionary

flicker

noun [ no plural ] uk us /ˈflɪkər/
LIGHT

a light that is sometimes bright and sometimes weak:

the soft flicker of candlelight
EMOTION

a slight, brief feeling or expression of an emotion:

a flicker of hope

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