Agger

//ædʒə(ɹ)// name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A double tide, particularly a high tide in which the water rises to a given level, recedes, and then rises again (or only the second of these high waters), but sometimes equally a low tide in which the water recedes to a given level, rises, and then recedes again

    "The phænomenon of long continued high water or double high water in estuaries is, we believe, not uncommon. [...] The first high water appears to be considered by the Dutch, in common language, as the real high water, and the second is called the agger, but so little difference is there between them, that, in making the extensive series of simultaneous tide-observations proposed by Mr. Whewell, the agger was sometimes observed for high water."

  2. 2
    Synonym of earthwork in ancient Roman contexts, particularly a defensive wall or mound. historical

    "By the Augustan period, however, the old ashlar circuit with its earthen agger was beginning to be dismantled in some places."

Proper Noun
  1. 1
    A surname from Danish.

    "But the Danes remained resolute in defence - largely thanks to a spirited display by captain Daniel Agger - and they went ahead with their first meaningful attack."

Example

More examples

"The phænomenon of long continued high water or double high water in estuaries is, we believe, not uncommon. [...] The first high water appears to be considered by the Dutch, in common language, as the real high water, and the second is called the agger, but so little difference is there between them, that, in making the extensive series of simultaneous tide-observations proposed by Mr. Whewell, the agger was sometimes observed for high water."

Etymology

From Middle English agger (“heap, pile”), from Latin agger (“earthwork, rubble, rampart”), from ad- (“toward, towards”) + gerere (“to carry”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.