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Definition of glowworm

glowworm

/ˈɡloʊˌwɜːrm/
(UK: glow-worm)
glow · worm

Plural:glowworms
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glowworm Lexical Profile

glowworm Game Scores & Validity

• noun

1

A soft-bodied, bioluminescent beetle of the family Lampyridae, specifically the wingless female or larva that emits a greenish-yellow light from its abdomen.

Example

"During our night hike through the forest, we saw dozens of glowworms illuminating the damp undergrowth."


2

New Zealand The bioluminescent larva of a fungus gnat (genus Arachnocampa) found natively in New Zealand and Australia, which spins glowing, sticky threads to catch prey in caves and dark forests.

Example

"The Waitomo caves in New Zealand are famous for the thousands of tiny glowworms that light up the cavern roofs like a starry sky."

• Rhymes for glowworm

Word Origin & Etymology

From Middle English 'glow-worm', a compound of 'glowen' (to emit light) and 'worm' (any creeping insect or elongated invertebrate).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Glowworm. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/glowworm
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