snowblink

[ snoh-blingk ]
/ ˈsnoʊˌblɪŋk /

noun

a white luminosity on the underside of clouds, caused by the reflection of light from a snow surface.
Compare iceblink.

Origin of snowblink

First recorded in 1860–65; snow + blink

British Dictionary definitions for snowblink

snowblink
/ (ˈsnəʊˌblɪŋk) /

noun

a whitish glare in the sky reflected from snow Compare iceblink