石いし蓋ぶた

noun

capstone of a cist; dolmen burial chamber

Archaeological term referring to the stone lid of a cist (stone coffin) or the chamber of a dolmen. Rare in everyday conversation.

• 発はっ掘くつ調ちょう査さで、石いし蓋ぶたが完かん全ぜんな状じょう態たいで見みつかった。

  During the excavation, a capstone was found in perfect condition.

• この遺い跡せきの石いし蓋ぶたには線せん刻こく画がが刻きざまれている。

  The capstone of this site is engraved with line drawings.