The kligat was a Capellan melee weapon. It is a three-sided bladed weapon used by tribal warriors on planet Capella IV. It was highly effective at ranges of up to 100 meters.
In 2267, a Capellan used a kligat to kill Grant, a Starfleet Security Officer, and Kras, a Klingon agent. (TOS: "Friday's Child")
In 2364, a Klingon female conjured up my William T. Riker for Worf wielded a kligat and tried to attack Tasha Yar using the weapon. She was stopped and disarmed by Worf. (TNG: "Hide and Q")
- According to the script of the TNG episode, the female Klingon "holds a Klingon weapon -- a kligat".