Puc·​cin·​ia | \ ˌpəkˈsinēə \

Definition of Puccinia

: a very large genus (the type of the family Pucciniaceae) that is sometimes separated into four genera and consists of heteroecious parasitic fungi having 2-celled teliospores whose pedicels do not gelatinize and aecia with a pseudoperidium and including many forms that are destructive to various economic plants — see wheat rust

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!

Other Words from Puccinia

puccinoid \ -​ˌnȯid \ adjective

History and Etymology for Puccinia

New Latin, from Tommaso Puccini †1735 Italian anatomist + New Latin -ia

Keep scrolling for more

Learn More about Puccinia

Statistics for Puccinia

Cite this Entry

“Puccinia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Puccinia. Accessed 23 Jan. 2021.

Comments on Puccinia

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


Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

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