Definition of grilse
: a young Atlantic salmon returning to its native river to spawn for the first time after one winter at sea; broadly : any of various salmon at such a stage of development
Recent Examples of grilse from the Web
The group says young salmon who spent only one winter at sea before returning to the river, called grilse, fared especially poorly last year.
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Origin and Etymology of grilse
Middle English grills
First Known Use: 15th centurySee Words from the same year
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