turban

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A headdress consisting of a long piece of cloth wound around a small cap or directly around the head, traditionally worn in North Africa, the Near East, and Central and South Asia.
• noun A woman's close-fitting hat that consists of material wound around a small inner cap.

from The Century Dictionary.

• noun The distinctive head-dress of men of the Moslem nations, consisting of a scarf or shawl wound around the tarboosh.
• noun A modification of the Oriental turban, worn by women in Europe and America during the first half of the nineteenth century.
• noun A head-dress consisting of a bright-colored handkerchief or square of cotton, worn by negro women in the West Indies and the southern United States.
• noun During the latter half of the nineteenth century, a hat consisting of a crown either without a brim or with a brim turned up close alongside the crown, worn by women and children.
• noun In heraldry, a high rounded cap, supposed to be the official head-dress of the Sultan of Turkey: it is usually represented with plumes attached to its sides, with jeweled clasps, and the like. Also called Turkish crown.
• noun In conchology, the spire of a univalve shell. See spire, 2, and univalve (with cuts)

from the GNU version of the Collaborative International Dictionary of English.

• noun A headdress worn by men in the Levant and by many Muslims of the male sex, consisting of a cap, and a sash, scarf, or shawl, usually of cotton or linen, wound about the cap, and sometimes hanging down the neck.
• noun A kind of headdress worn by women.
• noun (Zoöl.) The whole set of whorls of a spiral shell.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Man's headdress made by winding a length of cloth round the head.
• noun Woman's close-fitting hat with little or no brim.
• noun The whole set of whorls of a spiral shell.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a small round woman's hat
• noun a traditional Muslim headdress consisting of a long scarf wrapped around the head