hummock

/ˈhʌmək/
noun
  1. A small, rounded hill or mound of earth, often found in a flat area like a marsh, field, or tundra.
    • In the Arctic, hummocks of frozen soil dot the landscape.
    • We climbed a small hummock to get a better view of the surrounding marsh.
    • The hikers rested on a grassy hummock in the middle of the meadow.
  2. A ridge or mound of ice on a frozen body of water, formed by pressure.
    • The explorers had to navigate around large hummocks of ice.
    • Seals sometimes rest on the hummocks of sea ice.
    • The ice on the lake was pushed up into hummocks by the shifting wind.
Antonyms
What does "hummock" mean? | whatsthatwordmean | whatsthatwordmean