3 definitions found From WordNet (r) 2.0 [wn]: hummock noun: a small natural hill [syn: {knoll}, {mound}, {hillock}, {hammock}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Hummock \Hum"mock\, noun [Prob. a dim. of hump. See {Hump}.] 1. A rounded knoll or hillock; a rise of ground of no great extent, above a level surface. 2. A ridge or pile of ice on an ice field. 3. Timbered land. See {Hammock}. [Southern U.S.] From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]: 20 Moby Thesaurus words for "hummock": anthill, barrow, brae, butte, down, drumlin, dune, fell, foothills, hill, hillock, knob, knoll, molehill, monticle, monticule, moor, mound, sand dune, swell

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