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Added 10 October 2026

glowworm

noun

In Latin: lampyris Wiktionary

noun Definition from WordNet 3.1, Princeton University. More about glowworm at Wordnik → Where our words come from →

The luminous larva or wingless grub-like female of a firefly.

Origin

From Middle English glouworm; equivalent to glow + worm. Compare cognate German Glühwurm; compare also firefly, lightning bug, and lanternfly.

From Wiktionary, via Kaikki.org (CC BY-SA)

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