salmon, noun
Elliptical for Cape salmon (sense 1).
1955 C. Horne Fisherman’s Eldorado 209When an angler from Natal talks to one from the Cape about salmon, it is certain, unless the two have clearly established the identity of the fish under discussion, that the Natalian will have in mind the kob while the man from the Cape will be thinking about the geelbek.
Elliptical for Cape salmon (sense 1).

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