• WordNet 3.6
    • n icecap a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak)
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Century Dictionary and Cyclopedia
    • n icecap A general or continuous permanent covering of a certain area of land, whether large or small, with snow, névé, or ice, especially in the arctic regions. The continuous covering with snow and névé of the higher and larger part of Greenland is sometimes called the ice-cap, but more generally the inland ice.
    • n icecap In therapeutics, a rubber bag containing ice for application to the head.
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In literature:

But they had scarcely gained the summit of the icecap and started the journey to the west before troubles again began to gather round them.
"The Voyages of Captain Scott" by Charles Turley
The disk had icecaps and a reasonable proportion of land and water surface.
"This World Is Taboo" by Murray Leinster
It had an attendant moon-world which itself had icecaps and seas and continents.
"Operation: Outer Space" by William Fitzgerald Jenkins
Voice chill as the icecap.
"The Misplaced Battleship" by Harry Harrison (AKA Henry Maxwell Dempsey)
The world was green and had icecaps.
"A Matter of Importance" by William Fitzgerald Jenkins
Sthor and Asthor were capped at each pole now by gigantic white icecaps.
"The Ultimate Weapon" by John Wood Campbell
This is one of the prime causes of a constantly changing icecap.
"Deathworld" by Harry Harrison
The monk turned to the icecapped peaks on the right of the Pass.
"Rescue Dog of the High Pass" by James Arthur Kjelgaard

In news:

Melting icecaps are giving way to oil-rich waters -- that the US can't claim, writes Fortune's Telis Demos.
Do you read of mountain glaciers and the Greenland icecap melting.
IceCaps cough up two-goal lead in 4-3 loss to Phantoms.
Complacency cost the St John's IceCaps on Saturday night.
And so, no offence to the IceCaps and the American Hockey League, but the young Russian has his fingers crossed the NHL lockout can be resolved ASAP.
Under Antarctica, Clues to an Icecap 's Fate.
Suborbital spaceflights that rely on rubber-based rocket fuel could shrink icecaps, alter the ozone layer and affect global temperatures, according to a new study.
The St John's IceCaps were struggling before they ran into Braden Holtby.
The Hershey goaltender made 30 saves Wednesday as the Bears shut out the IceCaps 4-0 in American Hockey League action.
He?ll be heading to St John?s next week to play with the IceCaps.
John's IceCaps players, including Mark Scheifele, celebrate a game-winning overtime goal against the Syracuse Crunch in Round 1 of the AHL playoffs.
It is a race the St John's IceCaps have designs on winning.
This is the fourth "Ice Age" movie and in this one, Manny gets separated from his family when he, Sid, and Diego are swept out to sea on an icecap, along with Sid's granny.
The St John's IceCaps will be bringing back centre John Albert 23, as well as defenceman Jake Marto.
Notes from Sunday's visit to the Dunkin' Donuts Center, where the Providence Bruins snapped a 3-game losing streak and won for the first time in four home games, a 3-0 decision over the St John's IceCaps.

In science:

AMANDA (Antarctic Muon And Neutrino Detector Array) is a neutrino telescope built under the southern polar icecap, and its scope is exploring the possibility to detect high energy cosmic neutrinos generated by powerful celestial ob jects where acceleration mechanisms can bring protons up to 1020 eV.
Neutrino Astronomy at the South Pole: Status of the AMANDA Experiment
Two experiments aimed at detecting ultra high energy neutrinos (i.e. > 1020 eV) through their interaction with nuclei in the Antarctic icecap are also under development.
The History of Astrophysics in Antarctica
The Antarctic icecap has provided an extraordinary laboratory for a variety of scientiļ¬c purposes.
Recent Results from the RICE Experiment at the South Pole