From The Collaborative International Dictionary of English v.0.48:
Slake \Slake\, v. t. [imp. & p. p. Slaked; p. pr. & vb. n.
Slaking.] [OE. slaken to render slack, to slake, AS.
sleacian, fr. sleac slack. See Slack, v. & a.]
1. To allay; to quench; to extinguish; as, to slake thirst.
"And slake the heavenly fire." --Spenser.
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It could not slake mine ire nor ease my heart.
--Shak.
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2. To mix with water, so that a true chemical combination
shall take place; to slack; as, to slake lime.
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From The Collaborative International Dictionary of English v.0.48:
Slake \Slake\, v. i.
1. To go out; to become extinct. "His flame did slake." --Sir
T. Browne.
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2. To abate; to become less decided. [R.] --Shak.
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3. To slacken; to become relaxed. "When the body's strongest
sinews slake." [R.] --Sir J. Davies.
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4. To become mixed with water, so that a true chemical
combination takes place; as, the lime slakes.
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Slake trough, a trough containing water in which a
blacksmith cools a forging or tool.
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