Lightning bug
noun
noun ·Rare ·Advanced level
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
Example
More examples"I watched as lightning bugs drifted in, glowing yellow against the shadows."
Etymology
From lightning + bug, because the insects glow; whence also firefly. Compare glow fly, glowworm, and lanternfly.