lightning bug
nounEtymology From lightning + bug, because the insects glow; whence also firefly. Compare glow fly, glowworm, and lanternfly.
1
A firefly.
- I watched as lightning bugs drifted in, glowing yellow against the shadows.2019, Ta-Nehisi Coates, The Water Dancer, Penguin Books (2020), page 18:
- Derived terms
- femme fatale lightning bug