Yataghan
YATAGHAN (from Turk, yataghan; sometimes spelled in English " attaghan " and " ataghan "), the name of a type of sword common to Mahommedan peoples. It has no guard or quillons, but a large and often decorated pommel; its blade has a double curve on the cutting edge, first concave and then convex; the back is usually straight (see SWORD).
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)