Definition of fairy butter
1 : any of various fungi (order Tremellales) having a gelatinous fruiting body (as Exidia glandulosa or E. albida)
2 : fairies'-butter
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!
Seen and Heard
What made you want to look up fairy butter? Please tell us where you read or heard it (including the quote, if possible).