A Mameluke sword /ˈmæməluːk/ is a cross-hilted, curved, scimitar-like sword historically derived from sabres used by Mamluk warriors of Mamluk Egypt from whom the sword derives its name. It is related to the swords of the Seljuq empire. The curved scimitar blades were Central Asian Turkic in origin from where the style migrated to India, Egypt and North Africa and the Turkish kilij. It was adopted in the 19th century by several Western militaries, including the French Army, British Army and the United States Marine Corps. Although some genuine Ottoman sabres were used by Westerners, most "mameluke sabres" were manufactured in Europe or America; their hilts were very similar in form to the Ottoman prototype, but their blades tended to be longer, narrower and less curved than those of the true kilij, while being wider and also less curved than the Persian shamshir. In short, the hilt retained its original shape and the blade tended to resemble the blade-form typical of contemporary Western military sabres. The Mameluke sword remains the ceremonial side arm for some units to this day.
Marine Corps history states that a sword of this type was presented to Marine First Lieutenant Presley O'Bannon by the Ottoman Empire viceroy, Prince Hamet, on December 8, 1805, during the First Barbary War, in Libya, as a gesture of respect and praise for the Marines' actions at the Battle of Derna (1805). Upon his return to the United States, the state of Virginia presented him with a silver-hilted sword featuring an eaglehead hilt and a curved blade modeled after the original Mameluke sword given to him by Hamet. Its blade is inscribed with his name and a commemoration of the Battle of Tripoli Harbor.