rockhopper

English

Etymology

From rock +‎ hopper.

Pronunciation

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Noun

rockhopper (plural rockhoppers)

1. The rockhopper penguin.
2. Any of the jumping bristletails in the order Archaeognatha.
3. (fishing) 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.