gilet UK /ˈʒiːleɪ/US /ˈʒɪleɪ/ noun3 •A sleeveless jacket resembling a waistcoat but generally closed at the neck; specifically, one which is padded to provide warmth. •(historical) A waistcoat worn by a man. •(historical) A bodice worn by a woman similar to a man's waistcoat; also, a decorative panel at the front of such a bodice, or worn separately. formsgilets