E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
The white cotton dress worn by Mohammedan pilgrims to Mecca, For men, two scarfs, without seams or ornament of any kind, of any material except silk; one scarf is folded round the loins, and the other is thrown over the neck and shoulders, leaving the right arm free; the head is uncovered. For women, an ample cloak, enveloping the whole person.