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Definition of brook trout
brook trout
Plural:brook trout
• noun
1
North American A species of freshwater fish in the char family, native to the cold, clear streams and lakes of eastern North America, distinguished by its dark back with a marbled pattern and red spots surrounded by blue halos.
Example
"The angler carefully cast his fly line into the shaded pool, hoping to catch a native brook trout before sunset."
Synonyms
View all synonyms for brook troutWord Nuance & Usage
Although commonly called a trout, the brook trout is technically a char, distinguished by having light spots on a dark body rather than the dark spots on a light body typical of true trout.
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Brook trout. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/brook%20trout