ant-hill

from The Collaborative International Dictionary of English v.0.48

Ant-hill \Ant"-hill\, n. (Zool.)
   A mound thrown up by ants or by termites in forming their
   nests.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

35 Moby Thesaurus words for "anthill":
      bank, barrow, brae, butte, cock, down, drift, drumlin, dune,
      embankment, fell, foothills, haycock, haymow, hayrick, haystack,
      heap, hill, hillock, hummock, knob, knoll, molehill, monticle,
      monticule, moor, mound, mow, pile, pyramid, rick, sand dune,
      snowdrift, stack, swell

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