[Cf. G. windgalle, -gelle, and WATER-GALL, WEATHER-GALL.] A fragment of a rainbow or of a prismatically colored halo, supposed to presage windy weather: = WEATHER-GALL.
1840. F. D. Bennett, Whaling Voy., I. 3. We noticed the phenomenon named by nautical men a ‘wind-gall’ … or ‘sun-dog.’
1860. Fitz-Roy in Merc. Marine Mag., VII. 344.
