Py·​raus·​ta | \ pə̇ˈrȯstə \

Definition of Pyrausta

: a genus (subfamily Pyraustinae of the family Pyralidae or Crambidae) of inconspicuously colored moths with larvae that feed on foliage or bore in the stems of plants — see corn borer

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Pyrausta

New Latin, from Greek pyraustēs moth that gets singed in fire, from pyr- + -austēs (from auein to get a light, start a fire)

Keep scrolling for more

Learn More about Pyrausta

Statistics for Pyrausta

Cite this Entry

“Pyrausta.” The Dictionary, Merriam-Webster Inc., Accessed 12 December 2019.

Comments on Pyrausta

What made you want to look up Pyrausta? Please tell us where you read or heard it (including the quote, if possible).


a period of high artistic development

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!