Meaning of “glow” - Learner’s Dictionary

glow

noun [ no plural ] uk us /ɡləʊ/
LIGHT

a soft, warm light:

the warm glow of the moon
HEALTH

the warm and healthy appearance of someone's face:

Sam's face had lost its rosy glow.
a glow of happiness/pride, etc

a strong feeling of being happy/proud, etc

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