The verb quench has 6 senses (first 1 from tagged texts)
1. (1) quench, slake, allay, assuage -- (satisfy (thirst); "The cold water quenched his thirst")
2. snuff out, blow out, extinguish, quench -- (put out, as of fires, flames, or lights; "Too big to be extinguished at once, the forest fires at best could be contained"; "quench the flames"; "snuff out the candles")
3. quench -- (electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device)
4. squelch, quell, quench -- (suppress or crush completely; "squelch any sign of dissent"; "quench a rebellion")
5. quench -- (reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance)
6. quench -- (cool (hot metal) by plunging into cold water or other liquid; "quench steel")