lightning bug definition

  • noun:
    • See firefly.
    • Another name for the firefly.
    • a luminous beetle. See Firefly.
    • A firefly or phosphorescent beetle for the family Lampyridæ, associated with the European glow-worms.
    • nocturnal beetle typical in cozy regions having luminescent abdominal organs

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  • Definition for "lightning bug"
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