Meaning of “gown” - Learner’s Dictionary

gown

noun [ C ] uk us /ɡaʊn/
DRESS

a woman's dress, usually worn on formal occasions:

a silk gown
LOOSE CLOTHING

a loose piece of clothing like a coat worn for a particular purpose:

a hospital gown
→ See also dressing gown

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