The sword was a human hand weapon, a long, edged piece of metal, used for cutting, thrusting, and clubbing.
The katana, a design originally conceived in the ancient Earth national state of Japan, was used as a ceremonial weapon on the planet Grayson. Also, the office of the Protector was commonly referred to as "the Sword" in very much the same way other monarchs were referred to as "the Crown". (HH5)
- Detailed article about swords on Wikipedia