noun.
A man's brimless felt cap in the shape of a flat-topped cone, usually colored red and adorned with a silk tassel, once widely worn in the Ottoman Empire and other regions with Muslim populations and still worn today in some Muslim countries.
The Century Dictionary and Cyclopedia
noun.
A cap of red felt of the shape of a truncated cone, having a black silk tassel inserted in the middle of the top and hanging down nearly to the lower edge.
the GNU version of the Collaborative International Dictionary of English
noun.
A felt or cloth cap, usually red and having a tassel, -- a variety of the tarboosh. See tarboosh.