ice cap

noun

1
: a cover of perennial ice and snow
specifically : a glacier forming on an extensive area of relatively level land and flowing outward from its center
2
: an ice bag shaped to the head

Examples of ice cap in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As Psyche zoomed past the red planet, its cameras captured a wide-angle overhead view of Mars’ southern polar ice cap. Stephen Clark, ArsTechnica, 20 May 2026 Among the new photographs are a high-resolution snap of Mars’s south pole, which is home to a 430-mile-wide ice cap. Adam Kovac, Scientific American, 20 May 2026 Jo-Ellen will still be on this show when the polar ice caps swallow most of the state. Brian Moylan, Vulture, 1 May 2026 This new image from HiRISE, which stands for High Resolution Imaging Science Experiment, shows the surface of Chasma Boreale, a large valley in Mars' northern ice cap. Chelsea Gohd, Space.com, 24 Apr. 2026 See All Example Sentences for ice cap

Word History

First Known Use

1816, in the meaning defined at sense 2

Time Traveler
The first known use of ice cap was in 1816

Browse Nearby Words

Cite this Entry

“Ice cap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ice%20cap. Accessed 27 May. 2026.

Kids Definition

ice cap

noun
: a large glacier forming on level land and flowing outward from its center

More from Merriam-Webster on ice cap

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster