Glow-worm

Pronunciation: /gloh-wurm/

Category: Insect

Singular: Glow-worm

Plural: Glow-worms

Definition

The larval or wingless female form of certain beetles, especially in the family Lampyridae (fireflies) or Phengodidae (railroad worms), which emits light via bioluminescence.

Etymology

From Middle English 'glow', meaning 'to shine brightly', and 'worm', a term used historically for various types of larvae.

Example

The glow-worms in the garden created a magical atmosphere with their gentle bioluminescent glow.

Synonyms

Firefly larva
Lampyrid larva
Railroad worm

Related Terms

Bioluminescence
Lampyridae
Beetle
Phengodidae

Usage Notes

Glow-worms are often confused with true worms, but they are actually the larvae or adult females of certain beetle species. They use their bioluminescence to attract mates or prey.