‘A sort of Plough driven by main force with one’s breast, commonly used in paring the Turf in Burn-beating’ (Worlidge, Syst. Agric. (1681), 322).

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1725.  Bradley, Fam. Dict., s.v. Trenching Spade, Some of these Spades … are made with one side turned up like the Breast-Plow.

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1869.  Blackmore, Lorna D., xv. We must … labour as at a breast-plough.

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  Hence Breast-plough v., and Breast-ploughing vbl. sb.

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1846.  J. Baxter, Libr. Pract. Agric., II. 183. The breast-ploughing on these soils is easy.

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