"excavation" in the noun sense
1. excavation, digging, dig
the act of digging
"there's an interesting excavation going on near Princeton"
2. dig, excavation, archeological site
the site of an archeological exploration
"they set up camp next to the dig"
3. excavation
a hole in the ground made by excavating
4. mining, excavation
the act of extracting ores or coal etc from the earth
Source: WordNet® (An amazing lexical database of English)
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