an excavation underneath something, or the excavation of a subgrade

English - English

Definition of an excavation underneath something, or the excavation of a subgrade in English English dictionary

sub-excavation

We were grading the road and found a soft spot where we did a sub-excavation.

Hyphenation

an ex·ca·va·tion un·der·neath something, or the ex·ca·va·tion of a sub·grade