smolt (sm lt)n. A young salmon at the stage intermediate between the parr and the grilse, when it becomes covered with silvery scales and first migrates from fresh water to the sea. [Middle English, from Medieval Latin smoltus, probably of Old English origin.] |
smolt [sməʊlt]
n
(Life Sciences & Allied Applications / Animals) a young salmon at the stage when it migrates from fresh water to the sea
[Scottish, of uncertain origin; perhaps related to smelt2]
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