- the wingless female or larva of the European beetle, Lampyris noctiluca, which emits a sustained greenish light.
- any of various other beetle larvae or wingless females that emit a glow rather than a flash of light.
Origin of glowworm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for glow-worm
God makes the glow-worm as well as the star; the light in both is divine.A Dish Of Orts
A Jackdaw once ran up to a Glow-Worm and was about to seize him.
Said the Glow-Worm with pride, “Wickedness yields to wisdom!”
The rabbit has white warmth for a waistcoat, and the glow-worm has a lantern for a head.A Miscellany of Men
G. K. Chesterton
Has the Glow-worm a free control of the light which he emits?The Glow-Worm and Other Beetles
Jean Henri Fabre
- a European beetle, Lampyris noctiluca, the females and larvae of which bear luminescent organs producing a greenish light: family Lampyridae
- any of various other beetles or larvae of the family Lampyridae
See also firefly (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for glow-worm
Online Etymology Dictionary, © 2010 Douglas Harper