Found 1 definition: tinto.
Pos: n.
[CIDE DICTIONARY]
tinto, n. [Pg., tinged, fr. L. tinctus, p. p. of tingere to tinge. See Tint, n.].
A red Madeira wine, wanting the high aroma of the white sorts, and, when old, resembling tawny port. [1913 Webster]