|KEY WORD : architecture / castles|
| 1 The inner
moat of a castle that has two or more moats.
2 The moat dug on the interior side of a mountain castle wall to act as a back-up for that part of the wall that has been destroyed. See *sotobori 外堀.
(C)2001 Japanese Architecture and Art Net Users System. No reproduction or republication without written permission.