also: みつはしらとりい
noun
triangular three-pillar torii
A rare type of torii gate formed by three pillars arranged in a triangle, often associated with specific shrines such as Konoshima Jinja in Kyoto.
See also: 鳥居
京都の蚕ノ社には三柱鳥居がある。
There is a triangular three-pillar torii at Konoshima Jinja in Kyoto.
A standard two-pillar torii gate; 三柱鳥居 is a rare variant with three pillars.
From 三 (three) + 柱 (pillar) + 鳥居 (torii gate). The exact historical origin is uncertain, but it is a specialized architectural term.