plural -s
: 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

Word History


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

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!

Dictionary Entries Near pasmo

Cite this Entry

“Pasmo.” Dictionary, Merriam-Webster, Accessed 19 Apr. 2024.

Love words? Need even more definitions?

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