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.

It could not slake mine ire nor ease my heart. --Shak.

2. To mix with water, so that a true chemical combination shall take place; to slack; as, to slake lime.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Slake \Slake\, v. i.

1. To go out; to become extinct. ``His flame did slake.'' --Sir T. Browne.

2. To abate; to become less decided. [R.]

--Shak.

3. To slacken; to become relaxed. ``When the body's strongest sinews slake.'' [R.]

--Sir J. Davies.

4. To become mixed with water, so that a true chemical combination takes place; as, the lime slakes.

Slake trough, a trough containing water in which a blacksmith cools a forging or tool.

Source: Webster's Revised Unabridged Dictionary (1913)