Colorado pikeminnow

noun

: a large dull olive green pikeminnow (Ptychocheilus lucius) that was formerly present in most of the Colorado River and its tributaries but is now restricted mainly to its northern range and that may reach a length of six feet (1.8 meters)

Word History

First Known Use

1998, in the meaning defined above

The Ultimate Dicitonary 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