Lewis & Short

vīnālis, e, adj. [vinum], of or belonging to wine.

  1. I. Adj. (so very rare): fortitudo, of wine, Macr. S. 7, 7 fin.
  2. II. Subst.: Vī-nālia, ĭum, n., the wine-festival, celebrated annually on the 22d of April and the 19th of August, in which an offering of new wine was made to Jupiter, Varr. L. L. 6, §§ 16 and 20 Müll.; Ov. F. 4, 863; 4, 877 sq.; Fest. p. 374 Müll.; Varr. R. R. 1, 1; Plin. 18, 29, 69, §§ 287 and 289.
    Gen. Vinaliorum, Masur. ap. Macr. S. 1, 4.