noun (used with a singular or plural verb) Meteorology.
Origin of virga
Examples from the Web for virga
In the Exchequer book an abbreviated form is used; but virga appears in i. 216 b.
In the middle ages the general literary term throughout Europe was coles (or colis) from caulis, a stalk, and virga, a rod.Studies in the Psychology of Sex, Volume 5 (of 6)|Havelock Ellis
A power less poetical but not less fabulous then the story of the Virga Fatalis that conducted neas to the Shades.A Guide to the Mount's Bay and the Land's End|John Ayrton Paris
Ego vir videns paupertatem meam in virga indignationis ejus.The Thoughts of Blaise Pascal|Blaise Pascal
Hence it follows that the quarter of an acre is a rood or yard or virga or virgata of land.