from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A long, narrow ridge of coarse gravel deposited by a stream flowing in or under a decaying glacial ice sheet. Also called os3.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A long, narrow, sinuous ridge created by deposits from a stream running beneath a glacier.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets


Irish Gaelic eiscir, from Old Irish escir.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Irish eiscir. (Wiktionary)



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  • "Love could be an embankment, even an esker, or Customs; or a sailing ship, noisy at the horizon."
    C.S. Giscombe, "Palaver," p 8 in Prairie Style

    November 25, 2008