Drain, 1) to cause to flow, to empty, to draw off: “to d. upon his face an ocean of salt tears,” H6B III, 2, 142. “how couldst thou d. the life-blood of the child,” H6C I, 4, 138. “that any drop . . . should by my mortal sword be --ed,” Troil. IV, 5, 135.
2) to make dry: “when hours have --ed his blood,” Sonn. 63, 3. “I will d. him dry as hay,” Mcb. I, 3, 18. Hence == to imbibe, suck in: “a handkerchief, which, say to her, did d. the purple sap from her sweet brothers' body,” R3 IV, 4, 276. And == to drink off: “as he --s his draughts of Rhenish down,” Hml. I, 4, 10.

