水みず雷がみなり

noun

thunder with rain; rain thunder

Refers to thunder that occurs together with rain, as opposed to dry thunder. A somewhat literary or traditional term.

• 水みず雷がみなりが鳴なり響ひびき、激はげしい雨あめが降ふり出だした。

  Rain thunder rumbled and a heavy rain began to fall.

noun

lightning without fire; non-igniting lightning

Lightning that does not start a fire, often associated with rain. Compare with 日雷 (ひがみなり), which is dry lightning that can cause fires.

See also: 日雷 (ひがみなり)

• 水みず雷がみなりは火か事じを起おこさないので、少すこし安あん心しんだ。

  Since rain lightning doesn't start fires, it's a little reassuring.