虹こう梁りょう

noun

arched beam; rainbow beam

A curved horizontal beam used in traditional Japanese shrine and temple architecture, often decorated and spanning between pillars.

• この神じん社じゃの本ほん殿でんには美うつくしい虹こう梁りょうが使つかわれている。

  A beautiful arched beam is used in the main hall of this shrine.