Etymology: excavare (to hollow out)< ex- (out) + cavare (to hollow)< cavus (hollow)<PIE ''
- 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.
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