大太刀
also: おおたち
Meanings
1
extra-long sword; great sword
A historical Japanese sword longer than a standard 太刀 (tachi), often used by infantry or as a ceremonial/offering sword. Compare with 太刀 (たち).
See also: 太刀 (たち)
The ōdachi is a very long sword used on battlefields during the Nanboku-chō period.
An ōdachi dedicated to the shrine is on display.