from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A type of Japanese longsword, 日本刀 (にほんとう, nihontō) having a single edge and slight curvature.
from The Century Dictionary and Cyclopedia
- n. A Japanese sword which, in its modern form, has a single edge and is slightly curved toward the point.
From Japanese Katana (刀 or かたな) (Wiktionary)