v.
     - satisfy (thirst) by drinking.
 - satisfy (a desire).
 - extinguish (a fire). 
▸rapidly cool (hot metal).
 - stifle (a feeling). 
▸dated reduce to silence.
 - Physics  & Electronics  suppress or damp (luminescence, an oscillation, etc.).
 
n.
 an act of quenching something very hot.
 
  Derivative
  
    - quenchable adj.
  - quencher n.
  - quenchless adj. (literary).
 
   
  Etymology
  OE -cwencan (in acwencan ‘put out, extinguish’), of Gmc origin.