Noun
One who deals in wine; a wine seller, or wine merchant.
Source: Webster's dictionaryIt is thought by some that Rashi earned his living as a vintner since Rashi shows an extensive knowledge of its utensils and process, but there is no evidence for this. citation Most scholars and a Jewish oral tradition contend that he was a vintner. Source: Internet
The only reason given for the centuries-old tradition that he was a vintner being not true is that the soil in all of Troyes is not optimal for wine growing grapes, claimed by the research of Rabbi Haym Soloveitchik. Source: Internet