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

  • n. A mound of soil, sand, or dirt formed by ants or termites in digging or building a nest.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A cone-shaped formation constructed from sediment and other available materials by ants or termites. The colony nests underneath this cone.


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English ametehul, from Old English ǣmethyll ("anthill"), equivalent to ant +‎ hill.



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  • "After the Indian camp has broken up and moved away, many Indian beads can usually be found on the outside of the anthills." Ants Ornamenting Their Homes, St. Nicholas: a Monthly Magazine for Boys and Girls, Volume 27, Part 1, p. 549, 1900.

    March 8, 2011

  • Regarding the fossil evidence of dinosaur-age mammals found in anthills: "It has been found that in addition to ordinary sand-grains certain of the anthills also contain fossils, tiny teeth, bone fragments, and in rare instances perfect bones that the ants had unconsciously collected and have been the source of much of our knowledge of smaller forms which were contemporaneous with the larger reptiles." - Popular Science Monthly, September, 1915, p. 241.

    March 8, 2011

  • I can't decide whether or not the two WeirdNet definitions contradict each other; I suppose it depends on the definition of natural.

    September 24, 2008