noun
cutlass
KUT-lus/ˈkʌtləs/
A short curved sword traditionally used by sailors and pirates.
The museum displays a sailor's cutlass with a short, curved blade.

Etymology
French coutelas referred to a short sword or large knife. The English sense retains that knife-like profile: a broad, slightly curved blade used more for cutting than thrusting.
In context
did not mark thee per signum crucis with a cutlass.
More examples
- The pirate drew his cutlass as the enemy ship approached.
- Sailors carried cutlasses when boarding another ship.
- She carefully slid the cutlass back into its sheath.
Forms
cutlass · cutlasses