waistcoat

US /ˈwes.kət/
UK /ˈwes.kət/
"waistcoat" picture
1.

gilet

a sleeveless upper-body garment worn over a shirt and often under a jacket, forming part of a man's suit

:
He wore a three-piece suit with a matching waistcoat.
Il portait un costume trois pièces avec un gilet assorti.
The groom chose a silk waistcoat for his wedding day.
Le marié a choisi un gilet en soie pour le jour de son mariage.