a young, silvery salmon in the stage of its first migration to the sea.
Origin of smolt
1425–75; late Middle English;
perhaps akin to smelt2
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
Shortly after assuming the smolt dress, the young salmon takes its departure to the sea.
In about fifteen months it loses these marks and becomes quite silvery, being now known as a smolt.
British Dictionary definitions for smolt
a young salmon at the stage when it migrates from fresh water to the sea
Word Origin for smolt
C14: Scottish, of uncertain origin; perhaps related to smelt ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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