Meteorol. long streamers or wispy streaks of water or ice particles falling from the base of a cloud but evaporating completely before reaching the ground
Origin of virgaModL, streak in the heavens from L, twig, wand
Wisps of precipitation streaming from a cloud but evaporating before reaching the ground.
Origin of virgaLatin twig, virga
(countable and uncountable, plural virgae)
From Latin virga (“rod").