glowworm.
The larva or wingless grub-like female of a beetle from the families Phengodidae or Lampyridae that gives out a green light from its abdomen.
Meaning & usage
The larva or wingless grub-like female of a beetle from the families Phengodidae or Lampyridae that gives out a green light from its abdomen.
A carnivorous gnat larva in the keroplatid genus Arachnocampa that spins threads to capture insects attracted by its glow.
Where this word comes from
From Middle English glouworm; equivalent to glow + worm. Compare cognate German Glühwurm; compare also firefly, lightning bug, and lanternfly.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.