cactoblastis

noun
cac·​to·​blas·​tis | \ ˌkaktəˈblastə̇s \

Definition of cactoblastis

1 capitalized : a genus of small moths (subfamily Phycitinae of the family Pyralidae) native to South America including the cactus moth (C. cactorum) which has been introduced into Australia to control prickly-pear infestation
2 plural cactoblastes\ -​ˌtēz \ : cactus moth

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!

First Known Use of cactoblastis

1931, in the meaning defined at sense 1

History and Etymology for cactoblastis

New Latin, from cactus + -o- + -blastis -blast

Learn More About cactoblastis

Time Traveler for cactoblastis

Time Traveler

The first known use of cactoblastis was in 1931

See more words from the same year

Dictionary Entries Near cactoblastis

Cactales

cactoblastis

cactus

See More Nearby Entries 

Statistics for cactoblastis

Cite this Entry

“Cactoblastis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cactoblastis. Accessed 5 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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