stiletto

Example:He carried an ornate dagger in his pocket, ready for any situation.

Definition:a small, two-edged knife with a cross-hilt, used primarily as a close-range weapon.

Example:The pirate wielded a short sword, its blade gleaming in the moonlight.

Definition:any short, sharply pointed sword, often characterized by its slender blade and rather abrupt taper to the tip, typically used in close combat.