turban

noun

• 1a man’s headdress, consisting of a long length of cotton or silk wound around a cap or the head, worn especially by Muslims and Sikhs.
• a woman’s hat designed to resemble a turban.

• 2 (also turban shell) a marine mollusk with a sculptured spiral shell and a distinctive operculum which is smooth on the inside and sculptured and typically patterned on the outside.

  • Family Turbinidae, class Gastropoda: Turbo and other genera