Tabard

noun

1. A silk banner attached to a bugle or trumpet.
2. A woman's or girl's sleeveless jerkin or loose overgarment.
3. A sleeveless garment made of coarse cloth formerly worn outdoors by the common people.
4. A cape or tunic worn by a knight, emblazoned with the coat of arms of his king or queen on the front.
5. A similar garment officially worn by a herald and emblazoned with his sovereign's coat of arms.