[verb] satisfy (thirst); "The cold water quenched his thirst" Synonyms:slake, allay, assuage
[verb] 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" Synonyms:snuff out, blow out, extinguish
[verb] electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device
[verb] suppress or crush completely; "squelch any sign of dissent"; "quench a rebellion" Synonyms:squelch, quell
[verb] reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
[verb] cool by plunging into cold water; "quench metal"