# filetail

> English word · Adjective

## Definitions
1. Applied to various kinds of fish characterized by tails with toothlike grooves.

## Etymology
From file + tail.

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