Lirpa

The lirpa is a Vulcan melee weapon which consists of a metal staff with a fan-shaped blade on one end and a club on the other end. Traditionally, the lirpa is used by combatants in the kal-if-fee.

Spock and James T. Kirk fought each other with lirpa's, during Spock's kal-if-fee challenge, when he underwent pon farr in 2267.