Definition of snow mold
1a : a disease of cereals caused by a fungus (Calonectria graminicola) and characterized by abundant superficial white mycelium when the snow melts b : a similar disease especially of turf grasses caused by a fungus of the genera Typhula, Sclerotium or Fusarium
2 : a fungus causing a snow mold
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.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up snow mold? Please tell us where you read or heard it (including the quote, if possible).