Definitions

1. proper noun

The name of a famous Japanese swordsmith, considered one of the greatest of all time, or a reference to something associated with him.

“The museum showcased an impressive collection of samurai armor, including a legendary sword attributed to Masamune.”

2. noun

A sword or other cutting tool of exceptional quality, often used to describe a finely crafted Japanese blade.

“The collector prized his Masamune sword for its razor-sharp edge and beautiful craftsmanship.”