Noun
tinta (countable and uncountable, plural tintas)
(archaic) A kind of wine of a deep red color, chiefly from Galicia or Malaga in Spain.
Synonym: tent wine
By the way the port-style wines in California are often made from the traditional Portuguese wine grapes like Touriga Nacional, Tinta Cão and Tinta Roriz. Source: Internet
Since the epidemic, Tinta Negra or Negra Mole and Complexa are the workhorse varieties on the island, and are found in various concentrations in many blends and vintage wines. Source: Internet
The "workhorse" varieties of Tinta Negra Mole now known officially as just Negra Mole, and Complexa are still present and in high use, but hybrid grapes were officially banned from wine production in 1979. Source: Internet