wind-cloud - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

wind-cloud (plural wind-clouds)

  1. A cloud that is associated with wind, or is believed to presage windy weather.
    • 1886, Peter Christen Asbj&oslash￵rnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 182:

      "Last night, at sunset, there were plenty of the most respectable wind-clouds, but now there isn't a capful."