野の壺つぼ

noun

field latrine; night-soil pit in a field

Refers to a traditional pit dug in a field for use as a toilet, often for collecting night soil as fertilizer. Now largely historical or rural.

• 昔むかしの農のう家かでは、野の壺つぼの肥こやしを畑はたけに使つかっていた。

  In old farmhouses, they used the manure from the field latrine on the fields.

• この辺あたりにはまだ野の壺つぼが残のこっている。

  There are still field latrines remaining around here.