Costumes can range from a simple tabard, or tunic - like garment, made from a burlap sack or oversized T - shirt, to a long skirt and ruffled blouse with a belt and other elaborate costumes sewn by the students themselves. (educationworld.com)
I made the birthday boy's tabard and crown from wool felt and used the remnant material to make a table runner and bunting for over the birthday table. (atthepicketfence.com)
It is cut with scandalously high slits on each side making it more of a tabard in feel. (1stdibs.com)