Lewis Short
prō-vindēmĭātor (noun M) :
* A star over the right shoulder of Virgo, which rises just before the vintage; called also Vindemiatrix, Vindemiator, Vindemitor, the Gr. προτρυγητής, Vitr. 9, 4, 1 Schneid. N. cr. (al. provindemia).
Charlton T. Lewis, Charles Short, A Latin Dictionary