from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A Japanese short sword, often paired with the katana (daitou) in the daisho. It is forged in the same way as a katana, but it was much shorter and rarely used in real combat.
From Japanese 脇差 (わきざし), from 脇 ("side") + combining form of 差す ("to wear (weapon)"). (Wiktionary)