tabard tabard /ˈtæbərd/

noun

1. A short sleeveless outer tunic emblazoned with a coat of arms; worn by a knight over his armor or by a herald  ( tabard )
   a short sleeveless outer tunic emblazoned with a coat of arms; worn by a knight over his armor or by a herald
    The knight proudly displayed his family's crest on his tabard.
   The knight proudly displayed his family's crest on his tabard.