bottom rot

noun

1
: a disease of lettuce caused by a fungus (Corticium solani) that first rots the lower leaves and then spreads upward
2
: a decay of the basal portion of a tree trunk by any of various pore fungi (such as Polyporus schweinitzii)

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 bottom rot

Cite this Entry

“Bottom rot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bottom%20rot. Accessed 15 Apr. 2024.

Love words? Need even more definitions?

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