資料來源 : pyDict

雷石

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Thunderstone \Thun"der*stone`\, n.
   1. A thunderbolt, -- formerly believed to be a stone.

            Fear no more the lightning flash, Nor the
            all-dreaded thunderstone.             --Shak.

   2. (Paleon.) A belemnite. See {Belemnite}.