Definition of agger in English:

agger

noun

Archaeology
  • A heap of stones and earth, an earthwork, mound, or embankment; (Archaeol.) the raised rampart of a Roman camp; the raised part of a Roman road or causeway, with ditches on either side.

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From classical Latin agger material for an earthwork, rubble, offensive earthwork, ramp, defensive earthwork, rampart, road or causeway raised above the level of the surrounding ground, mound or pile of earth or rubble, perhaps from aggerere.

Pronunciation:

agger

/ˈaɡə//ˈadʒə/