ふとんかご

noun

gabion; stone-filled cage

A cylindrical or box-shaped wire mesh container filled with stones, used in civil engineering and erosion control. Often compared to 蛇籠 (じゃかご), a similar gabion structure.

See also: 蛇籠 (じゃかご)

• 河か川せんの護ご岸がん工こう事じでふとんかごが使つかわれた。

  Gabions were used in the riverbank protection work.

• ふとんかごは蛇じゃ籠かごよりも平ひらたい形けい状じょうをしていることが多おおい。

  Futonkago often have a flatter shape compared to jakago.