rockskipper

noun

rock·​skip·​per

: any of several blennies

especially : a small Indo-Pacific fish (Alticops periophthalmus) that is extremely agile in and about rocky tide pools and reefs

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now