What does "wet" mean?

Additional senses

1. 2.(Chem.) Employing, or done by means of, water or some other liquid; as, the wet extraction of copper, in distinction from dry extraction in which dry heat or fusion is employed.
2. 3.Refreshed with liquor; drunk. [Slang] Prior. Wet blanket, Wet dock, etc. See under Blanket, Dock, etc. -- Wet goods, intoxicating liquors. [Slang] See Nasty.
3. 4.Water or wetness; moisture or humidity in considerable degree. Have here a cloth and wipe away the wet. Chaucer. Now the sun, with more effectual beams, Had cheered the face of earth, and dried the wet From drooping plant. Milton.
4. 5.Rainy weather; foggy or misty weather.
5. 6.A dram; a drink. [Slang]
6. 7.To fill or moisten with water or other liquid; to sprinkle; to cause to have water or other fluid adherent to the surface; to dip or soak in a liquid; as, to wet a sponge; to wet the hands; to wet cloth. "[The scene] did draw tears from me and wetted my paper." Burke. Ye mists and exhalations, that now rise . . . Whether to deck with clouds the uncolored sky, Or wet the thirsty earth with falling showers. Milton. To wet one's whistle, to moisten one's throat; to drink a dram of liquor. [Colloq.] Let us drink the other cup to wet our whistles. Walton.