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Lightning bug
noun
Definitions
Noun
- 1 A firefly.
"I watched as lightning bugs drifted in, glowing yellow against the shadows."
- 2 nocturnal beetle common in warm regions having luminescent abdominal organs wordnet
Etymology
From lightning + bug, because the insects glow; whence also firefly. Compare glow fly, glowworm, and lanternfly.
See also for "lightning bug"
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Unscramble this word: lightningbug