Yes, a saber is a type of sword. It is characterized by a curved blade and a single cutting edge, typically designed for slashing and cutting rather than thrusting. Sabers have a long history and have been used by various cultures and military forces around the world.

The term "saber" is often associated with cavalry swords. It was a popular weapon among mounted warriors due to its effectiveness in slashing attacks from horseback. Sabers typically have a curved blade that aids in delivering powerful cutting strokes.

The design and construction of sabers can vary depending on the specific cultural and historical context. Different regions and time periods may have variations in blade length, hilt design, and other stylistic features.

It's important to note that the term "saber" can be used broadly to refer to a range of curved, single-edged swords. Variations include the cavalry saber, naval saber, and officer's saber, each tailored for specific military applications.

So, in summary, a saber is a specific type of sword characterized by its curved blade and single cutting edge, often associated with cavalry and military usage.