The term 'single-edged sword' refers to a type of sword with a blade that is sharpened on one side. The two most common examples of single-edged swords are the SABER and the SCIMITAR. The SABER is a curved, single-edged sword with a short hilt and a long, slightly curved blade. It was used by cavalry in the 18th and 19th centuries. The SCIMITAR is a curved, single-edged sword with a long hilt and a curved blade. It was used by Middle Eastern warriors in the 16th and 17th centuries.