ice that is frozen to, grounded on, or attached to the bottom of an area covered by shallow water.
- Compare ice foot.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fast ice in a sentence
Ridged ice, as the phenomenon is called, is much more dangerous to traverse than what is known as fast ice—flat slabs attached to land that make for easier ice-breaking.Why a Warming Arctic Has the U.S. Coast Guard Worried About the Rest of the Country | Aryn Baker | September 13, 2021 | Time
The ‘fast ice’ was dimly in sight when we started, for we had drifted while at breakfast towards it, as well as towards the berg.Cast Away in the Cold | Isaac I. Hayes
When steam is raised I have hopes of getting back to the fast ice near the Glacier Tongue.South! | Sir Ernest Shackleton
But after many attempts we regained the edge of the fast ice this morning, and steamed merrily along it towards Bushnan Island.In the Arctic Seas | Francis Leopold McClintock
If we can return we should be able now to moor to the fast ice.South! | Sir Ernest Shackleton
Our descent to the coast followed the margin of the fast ice.