3 definitions found From WordNet (r) 2.0 [wn]: hillock noun: a small natural hill [syn: {knoll}, {mound}, {hummock}, {hammock}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Hillock \Hill"ock\, noun A small hill. --Shak. From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]: 20 Moby Thesaurus words for "hillock": anthill, barrow, brae, butte, down, drumlin, dune, fell, foothills, hill, hummock, knob, knoll, molehill, monticle, monticule, moor, mound, sand dune, swell

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