The tik'leth was a type of bladed weapon favored by the Klingons. It was similar to an Earth long sword. (TNG novel: Diplomatic Implausibility)
In 2334, Kravokh fought a holographic assailant who was armed with such a weapon, and was easily able to dispatch the assailant with his bat'leth. (TLE novel: The Art of the Impossible)
In 2376, Governor Tiral of the planet taD tried to attack captain Klag of the IKS Gorkon with such a weapon, but was easily subdued by Klag's guards. (TNG novel: Diplomatic Implausibility)