This is the 10829th most frequent Swedish word.
laxen
"The salmon."
The word 'laxen' is the definite form of 'lax', meaning 'the salmon' in Swedish.
Laxen simmar snabbt i älven.
The salmon swims quickly in the river.
Here, 'laxen' is used to refer to a specific salmon, indicating it was likely pre-discussed or obvious in context.
Jag åt laxen till middag igår.
I ate the salmon for dinner yesterday.
In this instance, 'laxen' refers generally to the species 'salmon' as an entity, in the definite form to emphasize it.