lambrequin

noun

1. (historical)A scarf or other piece of material used as a covering for a helmet.

   “'Twere as easy to woo the snow-dame that we shaped last winter in our castle yard. I did but ask her yesternight for her green veil, that I might bear it as a token or lambrequin upon my helm.”

   “A dead man (he had, I think, been suffocated with a lambrequin, there being those who practice that art) lay at the corner.”

2. A heraldic representation of such an item, often used as drapery around a coat of arms.
3. (US)A short decorative drapery for a shelf edge or for the top of a window casing.

   “Lambrequins dependent from gaudy boxings of beaten tin, gilded.”

   “[…]the mirror over the mantel rested on a fringed mantel-cover of green reps, and heavy curtains of that stuff hung from gilt lambrequin frames at the window; […].”

   “A suite in Paris, immense high grave rooms, with lambrequins and a balcony.”

4. A decorative architectural element placed along the eaves of a roof, the edges of an overhang, etc.
5. A border pattern with draped effect.