cointoise

from The Century Dictionary.

• noun A scarf, handkerchief, or veil; specifically, a scarf worn pendent from the head-dress by women in the thirteenth century.
• noun A similar veil or kerchief worn by a knight pendent from his helmet, as if bestowed by his lady; hence, any favor of like character worn at a tournament, etc.
• noun In heraldic representations, drapery falling from the helmet in folds and curves: a common mode of heraldic decoration in the fifteenth century and later. See lambrequin and mantling.