Cutlass
From Tardis Wiki, the free Doctor Who reference
A cutlass was a type of sword.
The Tenth Doctor described himself as a "dab hand with a cutlass" when he used one to try and hold back two Cybermen. (TV: The Next Doctor)
Amy Pond once used a cutlass to fight off the entire crew of the Fancy when they wanted to make the Eleventh Doctor walk the plank. (TV: The Curse of the Black Spot)
The mad Sontaran colonel Snathe owned a cutlass which he almost used to behead the Tenth Doctor. (COMIC: The Betrothal of Sontar)
Some renegade Sea Devils led by Marsissus used cutlasses with hexo-toxic poisoning. (TV: Legend of the Sea Devils)