What does "katana" mean?

A type of Japanese longsword, having a single edge and slight curvature, historically used by samurai and ninja.

Katana

/kəˈtɑnə/ noun

noun ·Rare ·Advanced level

Noun

1
A type of Japanese longsword, having a single edge and slight curvature, historically used by samurai and ninja.

"Is that katana real or an unsharpened replica?"

Borrowed from Japanese 刀(かたな) (katana).