THUNDERSTONE

thunderstone. Thunderstone, n. a stone discharged by thunder

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Thun″der‐stone′ (?), n. 1. 1. A thunderbolt, — formerly believed to be a stone.
Fear no more the lightning flash, Nor the all-dreaded thunderstone. Shak. 2. 2. (Paleon.) A belemnite. See Belemnite.