1. virga - Noun
2. Virga - Proper noun
(music) A type of note used in plainsong notation, having a tail and representing a single tone.
(meteorology, countable) A streak of rain or snow that is dissipated in falling and does not reach the ground, commonly appearing descending from a cloud layer.
(measurement, countable) A unit of length: a rod, pole or perch (5½ yards); or a unit of area: a square rod, pole or perch.
Virga (plural Virgas)
A surname from Italian.
Cirrus clouds often produce hair-like filaments—similar to the virga produced in liquid–water clouds—called fall streaks, and they are made of heavier ice crystals that fall from the cloud. Source: Internet
Hoppin (1978), p. 58. The basic notation of the virga and the punctum remained the symbols for individual notes, but other neumes soon developed which showed several notes joined together. Source: Internet
Opaque altocumulus associated with a weak frontal or low-pressure disturbance can produce virga, very light intermittent precipitation that evaporates before reaching the ground. Source: Internet
Low stratus clouds usually produce only light precipitation, but this always occurs as the feature praecipitatio due to the fact this cloud genus lies too close to the ground to allow for the formation of virga. Source: Internet
He then suggested a system of sub-units, dividing successively by factors of ten into the centuria, decuria, virga, virgula, decima, centesima, and millesima. Source: Internet
He proposed calling this unit the virga. Source: Internet