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[gloh-wurm] /ˈgloʊˌwɜrm/
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
1300-50; Middle English. See glow, worm Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for glowworm
Historical Examples
  • The glowworm shows the matin to be near And 'gins to pale his uneffectual fire.

  • It wavered in patches, it seemed to stir and creep like the light of a glowworm.

    Youth Joseph Conrad
  • Then lighted up the hair in patches: and set the whole face shining like a glowworm's.

  • It may be 'tis but a glowworm now; but 'twill Grow to a fire-drake presently.

    Fiends, Ghosts, and Sprites John Nettin Radcliffe
  • But a glowworm that lived in the cave made it all too bright.

  • The bodies of the glowworm and firefly always are transparent when filled with flame.

    Motor Matt's Race Stanley R. Matthews
  • Cold flame is exemplified in the firefly, and the glowworm gives forth heatless light.

    Motor Matt's Race Stanley R. Matthews
  • The phosphorescence was not unlike the ineffectual fire of the glowworm.

    North-Pole Voyages Zachariah Atwell Mudge
  • A glowworm is not discerned in the sunshine, though it glister in the dark.

  • There were glowworm gems in the dark masses of her luxuriant hair.

    A Soldier's Trial Charles King

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