Definition of fanion
: a small flag used originally by horse brigades and now by soldiers and surveyors to mark positions
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!
Origin and Etymology of fanion
French, from fanon maniple, pennon
Seen and Heard
What made you want to look up fanion? Please tell us where you read or heard it (including the quote, if possible).