Definition of purple hairstreak
: a hairstreak butterfly that has the wings marked with iridescent purple: such as a : a European forest hairstreak (Thecla quercus) b : a large American hairstreak (Atlides halesus) with metallic spots on the largely bluish purple to greenish wings —called also giant purple hairstreak
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 purple hairstreak? Please tell us where you read or heard it (including the quote, if possible).