the world > textiles and clothing > clothing > types or styles of clothing > neck-wear > [noun] > ruff > pleat in (3)
A pleat or fold in the ruff or band of a garment, popular in the early 17th cent. Now historical.
One of the pleats of a ruff; also, the arrangement of a ruff in pleats. Obsolete.
A cylindrical pleat or fold of a ruff; (also, perhaps) a quilled ruff. Obsolete. rare.