noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A rockhopper penguin (Eudyptes spp.).
2. 2
   Any of the order Archaeognatha of jumping bristletails.
3. 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.

Related phrases

rockhopper penguin

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.