The main weapon of a samurai, a member of the warrior class in feudal Japan, was the katana. The katana is a distinctive curved, single-edged sword with a long grip that allows for two-handed use. It is renowned for its sharpness, cutting ability, and its status as a symbol of the samurai's honor and skill.

The katana was the primary weapon of choice for a samurai due to its versatility in combat. It excelled in both cutting and thrusting techniques, making it effective in various situations on the battlefield. The curvature of the katana allowed for efficient slicing and drawing motions, enhancing its cutting power.

The samurai also carried a shorter companion sword known as the wakizashi, which was typically worn together with the katana. The wakizashi served as a backup weapon and was used for close-quarters combat, indoor fighting, or as a symbol of the samurai's status.

The combination of the katana and wakizashi, known as daisho, was considered a hallmark of a samurai's social status, martial skill, and honor. These swords were often passed down through generations as treasured family heirlooms.

It's worth noting that the use of the katana as a primary weapon varied throughout different periods of Japanese history and depending on the specific circumstances of warfare. Other weapons, such as spears, bows, and firearms, were also employed by samurai when appropriate. However, the katana remained the most iconic and revered weapon associated with the samurai class.