Definition of Heat lightning
1. Noun. Bright flashes of light near the horizon without thunder (especially on hot evenings); usually attributed to distant lightning that is reflected by clouds.
Heat Lightning Pictures
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Lexicographical Neighbors of Heat Lightning
Literary usage of Heat lightning
Below you will find example usage of this term as found in modern and/or classical literature:
1. Lectures on medical jurisprudence by Francis Ogston (1878)
"I refer to deaths from cold, heat, lightning, and starvation, to the consideration of which I shall now proceed. DEATH BY COLD. ..."