Definition of grilse in English:
A salmon that has returned to fresh water after a single winter at sea.
- The first grilse of the season was also caught during this period.
- The sort of rod that you'd use for sea trout or grilse should suffice.
- Four grilse were caught at Durkanís Pool, one of 5 lb by a German angler and the rest higher up the river.
late Middle English: of unknown origin.
Definition of grilse in:
- US English dictionary