This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Portiere (Por-Tier'). [French for door-curtain] A heavy curtain or drapery hung at a doorway, or entrance to a room, to intercept the view or currents of air, and also for mere decoration. Portieres are usually composed of chenille or velour, and are attached to a pole placed horizonally over the archway, and fitted with sliding rings.