Definitions for "Earthwork"
Any construction, whether a temporary breastwork or permanent fortification, for attack or defense, the material of which is chiefly earth.
One or more archaeological features, such as a bank, wall, mound or setting of some kind, that appears in topographical relief in the ground surface, usually as a rise, projection or series of •humps and bumpsê. An earthwork is not necessarily made of soil; it may comprise stones and other materials too.
a military fortification formed chiefly of earth
The operation connected with excavations and embankments of earth in preparing foundations of buildings, in constructing canals, railroads, etc.
An embankment or construction made of earth.
The moving and shaping of dirt via excavation, backfill, etc. based on surveying and staking out of the contours.
Keywords:  rampart, earthen
an earthen rampart