from Wiktionary, Creative Commons Attribution/Share-Alike License
- noun Snow which peels off in large slabs when disturbed, increasing the risk of avalanche.
Andy would occasionally pause to point out various different forms of frozen water: rime ice, hoar frost, frost heave, windslab snow.
Slightly convex, I had to don crampons again as the windslab was icy and there were many bulges of 50 degrees or more.
This pair found deep windslab on top of a shiny, melted and re-frozen, surface of old snow .... classic conditions for a high-mountain ridgetop avalanche.
If you find your skis riding on top of the surface of the snow and it sounds or feels hollow, you're probably on top on a hard windslab.
The word 'windslab' is a compound of 'wind' and 'slab'.