Yes, samurai did use the katana as their primary weapon. The katana is a traditional Japanese sword characterized by its curved, single-edged blade and a long grip that allows for two-handed wielding. It is one of the most iconic weapons associated with samurai warriors.

The katana played a significant role in the samurai's combat repertoire and cultural identity. It was known for its exceptional craftsmanship, sharpness, balance, and cutting ability. The curved shape of the blade and the differential hardening technique used in its construction allowed for devastating slashes and precise thrusts.

Samurai were extensively trained in the use of the katana and practiced various martial arts techniques with it. They would undergo rigorous training to develop their skills in drawing, striking, blocking, and sheathing the sword smoothly and efficiently. The katana was designed to be versatile in combat, allowing the samurai to engage in different types of fighting scenarios, whether on foot or on horseback.

The katana was not the only sword used by samurai, though. They typically carried a pair of swords known as the daisho, which consisted of the katana and a shorter sword called the wakizashi. The daisho represented the samurai's social status and adherence to the samurai code of bushido.

While the katana was the primary weapon of the samurai, it is important to note that samurai would also utilize other weapons and tools as part of their arsenal, such as spears, bows and arrows, and firearms as they became available. However, the katana held a special place in samurai culture and was considered a symbol of honor, skill, and prestige.