From The Collaborative International Dictionary of English v.0.48:
Soak \Soak\, v. i. 1. To lie steeping in water or other liquid; to become sturated; as, let the cloth lie and soak. [1913 Webster]
2. To enter (into something) by pores or interstices; as, water soaks into the earth or other porous matter. [1913 Webster]
3. To drink intemperately or gluttonously. [Slang] [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Soak \Soak\, v. t. [imp. & p. p. Soaked; p. pr. & vb. n. Soaking.] [OE. soken, AS. socian to sioak, steep, fr. s?can, s?gan, to suck. See Suck.] 1. To cause or suffer to lie in a fluid till the substance has imbibed what it can contain; to macerate in water or other liquid; to steep, as for the purpose of softening or freshening; as, to soak cloth; to soak bread; to soak salt meat, salt fish, or the like. [1913 Webster]
2. To drench; to wet thoroughly. [1913 Webster]
Their land shall be soaked with blood. --Isa. xxiv. 7. [1913 Webster]
3. To draw in by the pores, or through small passages; as, a sponge soaks up water; the skin soaks in moisture. [1913 Webster]
4. To make (its way) by entering pores or interstices; -- often with through. [1913 Webster]
The rivulet beneath soaked its way obscurely through wreaths of snow. --Sir W. Scott. [1913 Webster]
5. Fig.: To absorb; to drain. [Obs.] --Sir H. Wotton. [1913 Webster]