Lewis & Short

ūvesco, ĕre, v. inch. n. [uveo, uvens], to grow or become moist, wet, damp, dank, or humid (poet.).

  1. I. Lit.: suspensae in litore vestes Uvescunt, Lucr. 1, 306; Avien. Arat. 254.
  2. II. Transf., poet., to moisten or refresh one’s self, i. e. to drink freely, to tipple: seu quis capit acria fortis Pocula, seu modicis uvescit laetius, * Hor. S. 2, 6, 70.