toe scour

uncountable

Damage caused at the outside base of a dam wall due to overflowing flood waters damaging the foundations.

Japanese Meaning

ダムの壁の外側の基礎部分が、氾濫水の作用により侵食または損傷を受ける現象。

After the storm, inspectors found severe toe scour undermining the dam's foundation and called for immediate repairs.

嵐の後、検査員はダムの外側基部が洗掘されて基礎が侵食されているのを発見し、直ちに修理を要請した。

Sense（1）

Damage caused at the outside base of a dam wall due to overflowing flood waters damaging the foundations.