Noun
The act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass.
A cavity formed by cutting, digging, or scooping.
An uncovered cutting in the earth, in distinction from a covered cutting or tunnel.
The material dug out in making a channel or cavity.
Source: Webster's dictionaryYou might think that a hornbill would have the most powerful excavation tool of all, but in fact its huge beak is a relatively delicate structure and no use at all as a chisel. David Attenborough
Loki in 'Thor' is the most incredible springboard into a sort of excavation of the darker aspects of human nature. So that was thrilling, coming back knowing that I'd built the boat and now I could set sail into choppier waters. Tom Hiddleston
they set up camp next to the dig Source: Internet
there's an interesting excavation going on near Princeton Source: Internet
23 cist graves were found during this excavation. Source: Internet
1960s On February 11, 1961, excavation began, and that September 1, Saarinen died. Source: Internet