Definition of sidhe
1 plural sidhes : an underground fort or palace in which fairies in Gaelic folklore are held to live
2a sidhe plural : the fairy folk of Ireland in Gaelic folklore b : a member of the sidhe : a fairy in Gaelic folklore — compare banshee
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!
Origin and Etymology of sidhe
partly from Irish sīdh fairy hill; partly from Irish sidhe fairy folk
Seen and Heard
What made you want to look up sidhe? Please tell us where you read or heard it (including the quote, if possible).