# hairstreak

> English word · Noun

## Definitions
1. Any of many butterflies, of the subfamily Theclinae, that have hairlike projections on the back wings.

## Etymology
From hair + streak.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hairstreak