- a young, silvery salmon in the stage of its first migration to the sea.
Origin of smolt
Examples from the Web for smolt
Historical Examples of smolt
They are then called "smolt," and are as adult salmon in all respects save size.Alaska
In about fifteen months it loses these marks and becomes quite silvery, being now known as a smolt.
Shortly after assuming the smolt dress, the young salmon takes its departure to the sea.
- a young salmon at the stage when it migrates from fresh water to the sea