Definition of corn snow in English:

corn snow

noun

North American
  • Snow with a rough granular surface resulting from alternate thawing and freezing.

    • ‘Below us is 4,000 vertical feet of superb, low angled corn snow - a velvet road leading straight to the lodge.’
    • ‘The flavor of skiing on a perfect day is spiced by the knowledge and experience of conditions far less ideal, from the early season rock ski to the last patches of corn snow.’
    • ‘Sailing is especially fun in the spring, when the wind is warmer and there's good corn snow.’
    • ‘The perfect corn snow was ripening in the sun, and a velvet 45 degree pitch dropped below us like a frozen plume of whitewater.’
    • ‘It's suddenly obvious how a backcountry challenge, even more than perfect corn snow or nights in the Post Hotel, can make our relationship complete.’

Origin

From corn in the dialect sense granule.