gown /ɡaʊn/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: goune , from Late Latin gunna ]
1 . a long dress that a woman wears on formal occasions
wedding/evening/ball gown
a white silk wedding gown
2 . a long loose piece of clothing worn for special ceremonies by judges, teachers, lawyers, and members of universities SYN robe
3 . a long loose piece of clothing worn in a hospital by someone doing or having an operation:
a hospital gown
⇨ ↑ dressing gown