水みず盛もり

noun

water level; level (using water)

A tool that uses water to determine a horizontal level, similar to a spirit level but using water instead of a bubble. Often used in traditional carpentry or construction.

• 昔むかしの大だい工くは水みず盛もりを使つかって水すい平へいを取とった。

  Carpenters in the past used a water level to find the horizontal.