scim·i·tar 
(sĭmĭ-tər, -tär′)
(sĭmĭ-tər, -tär′)n.
A curved Asian sword with the edge on the convex side.
[French cimeterre and Italian scimitarra, both perhaps ultimately from Persian šamšēr (Modern Iranian Persian šamšīr), from Middle Persian šafšēr, šafšēr.]