Odachi

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A long, large Japanese sword.
  2. 2
    A long Japanese sword constructed like the katana but longer (about 4 to 6 feet or 120 to 180 cm long), used for combat on horseback.

Etymology

Borrowed from Japanese 大太刀 (ōdachi, literally “large tachi”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.