pas·​mo | \ ˈpaz(ˌ)mō\
plural -s

Definition of pasmo

: a widespread disease of flax that damages the fibers and reduces the yield of flaxseed and is caused by a fungus (Mycosphaerella linorum) which attacks stems, bolls, and leaves and forms characteristic circular brownish lesions on the cotyledons and lower leaves

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 pasmo

American Spanish, from Spanish, temporary paralysis, lockjaw, from Latin spasmus cramp, spasm

Keep scrolling for more

More from Merriam-Webster on pasmo

Spanish Central: Translation of pasmo

Comments on pasmo

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


a wrong name or inappropriate designation

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

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!