# backworm

> English word · Noun

## Definitions
1. Synonym of filanders (“a disease of hawks”).
2. The thread-like worm found in filanders.

## Etymology
From back + worm.

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