# rockhopper

> English word · Noun

## Definitions
1. A rockhopper penguin (Eudyptes spp.).
2. Any of the order Archaeognatha of jumping bristletails.
3. A disk on the bottom of a trawler-net that lifts when it hits a rock or bump, raising the net, preventing damage to the net or the seafloor.

## Etymology
From rock + hopper.

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