noun
A flat wooden plate used historically for serving food, or a type of digging machine. Context determines which meaning is intended.
中世の宴では、トレンチャーが皿として使われた。
At medieval banquets, trenchers were used as plates.
工事現場でトレンチャーが溝を掘っている。
A trencher is digging a trench at the construction site.