A fortification or defensive structure, such as a rampart or palisade, that protects the head or upper part of a position; archaic term for headwork.
Compound of 'head' (chief or principal position) and 'wark' (a Middle English and Scottish variant of 'work' meaning a fortification or structure). The term dates to medieval military terminology.
Medieval soldiers understood that controlling the high ground—the 'head' of a position—was everything for defense. A 'headwark' was their name for the main fortifications protecting that crucial elevated position, making it one of the oldest terms in military strategy.
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