virga
Concise Oxford English Dictionary © 2008 Oxford University Press:
virga /ˈvəːgə/
▶noun (pl. virgae /ˈvəːgiː/) Meteorology a mass of streaks of rain appearing to hang under a cloud and evaporating before reaching the ground.
– origin 1940s: from L., lit. ‘rod, stripe’.
'virga' also found in these Oxford entries:

