hummock

a low mound or ridge of earth; a knoll
Found on http://www.njwildlifetrails.org/OutontheTrails/GlossaryofNaturerelatedTerms

Hummock

Hummock is a general geological term referring to a small knoll or mound above ground. They are typically less than 15 meters in height and tend to appear in groups or fields. It is difficult to make generalizations about hummocks because of the diversity in their morphology and sedimentology. The term hummock, or hummocky, is also applied to extr...
Found on http://en.wikipedia.org/wiki/Hummock

hummock

(from the article `beach`) In many countries the wind strongly affects the dynamics of the beach. The beach is exposed to the sea wind, and sand is usually blown off to the ... The thawing of permafrost creates thermokarst topography, an uneven surface that contains mounds, sinkholes, tunnels, caverns, and steep-walled ... [2 related...
Found on http://www.britannica.com/eb/a-z/h/82

Hummock

• (n.) A ridge or pile of ice on an ice field. • (n.) A rounded knoll or hillock; a rise of ground of no great extent, above a level surface. • (n.) Timbered land. See Hammock.
Found on http://thinkexist.com/dictionary/meaning/hummock/

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.]
Found on http://www.encyclo.co.uk/webster/H/70

hummock

A large hummock on the 1980 landslide deposit from Mount St. Helens stands above a wetland area (foreground) that lies between other hummocks. These hummocks once formed part of the volcano's summit, which was removed by an enormous landslide on 18 May 1980. The landslide scattered the summit rocks ...
Found on http://www.daviddarling.info/encyclopedia/H/hummock.html

hummock

a small natural hill
Found on https://www.vocabulary.com/lists/51940

Hummock

A small, rounded or cone-shaped, low hill or a surface of other small, irregular shapes. A surface that is not equidimensional or ridgelike.
Found on http://www.evcforum.net/WebPages/Glossary_Geology.html

hummock

pile or ridge of ice
Found on http://phrontistery.info/h.html
No exact match found