# swallowtail

> English word · Noun · IPA /ˈswɒl.əʊˌteɪl/ · frequency rank #92,129

## Definitions
1. The forked tail of a swallow.
2. Anything, such as a burgee, of a similar forked shape.
3. A type of tailcoat with two long tapering tails.
4. Any of various butterflies of the family Papilionidae, many of which have a long extension to each hindwing.

## Etymology
From swallow + tail.

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