01 n. Any construction, whether a temporary breastwork or permanent fortification, for attack or defense, the material of which is chiefly earth.
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1.
Any construction, whether a temporary breastwork or permanent fortification, for attack or defense, the material of which is chiefly earth.(Mil.)
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2.
The operation connected with excavations and embankments of earth in preparing foundations of buildings, in constructing canals, railroads, etc.(Engin.)