define quench
quench verb [T]. âº to âdrink âliquid so that you âstop being âthirsty: When it's âhot, it's âbest to quench âyour âthirst with âwater. âº literary to use âwater to put out a âfire: The âflames were quenched by âheavy ârain. âº to âsatisfy a need or âwish: Her âthirst for âknowledge will never be quenched.