glowworm

[ gloh-wurm ]
/ ˈgloʊˌwɜrm /

noun

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.

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Origin of glowworm

1300–50; Middle English. See glow, worm

Words nearby glowworm

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for glowworm

British Dictionary definitions for glowworm

glow-worm

noun

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
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