Thin ice from under which the water has receded.
Example sentencesExamples
- Remember that it's likely to be very cold indeed and it's not uncommon to catch steelhead as snow is falling and there's cat ice on the river fringes.
- I was at the water by 8: 00 am and it was freezing cold with pockets of snow littering the banks and half the river was covered with cat ice.