glowworm
Meanings
noun
- 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.
Pronunciation
Word forms
Etymology
From Middle English glouworm; equivalent to glow + worm. Compare cognate German Glühwurm; compare also firefly, lightning bug, and lanternfly.
Related words
Derived words
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