Entry 1 sense Webster, 1913 Tinto /tĭn'-tō/ · Tin·to · IPA /tˈɪntoʊ/ 01 n. A red Madeira wine, wanting the high aroma of the white sorts, and, when old, resembling tawny port. 1. A red Madeira wine, wanting the high aroma of the white sorts, and, when old, resembling tawny port.