[f. FISH v.2 + -ING1.] The action of strengthening or supporting with a fish; see FISH sb.2 Fishing-key, a kind of fish-plate.

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1798.  Nelson, in Nicolas, Disp. (1845), III. 132. I hope that the Vanguard’s two masts, by good fishing, will hold fast until I can send her to Gibraltar.

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1837.  Marryat, Snarleyyow; or The Dog Fiend, xii.

        I wish I had the fishing of your back that is so bent,
I’d use the galley poker hot unto your heart’s content.

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1852.  Specif. Bruff’s Patent, No. 14096, 2. Into this metal clip, which I term a fishing key, the ends of each rail at its junction with the preceding or succeeding rail are received.

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