# rustyback

> English word · Noun

## Definitions
1. Asplenium ceterach (syn. Ceterach officinarum), a fern with orange-brown trichomes.

## Etymology
From rusty + back.

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