brown trout

WordReference Random House Unabridged Dictionary of American English © 2026

brown′ trout′, 

1. Fish a common trout, Salmo trutta, of northern European streams.

• 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::

brown trout noun

1. a common brownish variety of the trout Salmo trutta that occurs in the rivers of N Europe and has been successfully introduced in North America
   Compare sea trout1