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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - Nocturnal beetle common in warm regions having luminescent abdominal organs; Tropical American click beetle having bright luminous spots.

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Usage examples (39)
  • A firefly is a strobe-light which is commonly used for calling in aircraft at night.
  • Then the firefly is called a larva (LAR-va).
  • firefly – The Complete Series (DVD) tagged "firefly" 509 times …
  • firefly – The Complete Series (DVD) tagged "firefly" 498 times …
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.