IAgger denotes the work or fortification, used both for the defense and attack of towns, camps, etc., more recently termed lines. An agger could be an earthen bank, or mound, thrown up for defense, as in encampments, or as boundaries, as by the British, Roman, and Saxon occupants of Britain.
Agger is also used for a bank or wall erected against the sea or some great river to confine or keep it within bounds, called by modern writers a dam or sea-wall.
Related term(s): Encampment
Category: Military - General
Last modified: 12.01.05
Source information: Wilhelm, Thomas. A Military Dictionary and Gazetteer. Philadelphia: L.R. Hamersly & Co., 1881. 13; Britton, John, F.S.A. A Dictionary of the Architecture and Archaeology of the Middle Ages. J. Le Keux, illus. London: Longman, Orme, Brown, Green, and Longmans, Paternoster Row; and the Author, Burton Street, 1838. 9.
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