local. [UN-2 4 + CALLOW sb. 3.] trans. To clear (clay, marl, etc.) of the surface soil; to remove (soil) for this purpose. Also intr. Hence Uncallowing vbl. sb.

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1729.  Act 2 Geo. II., 313. They are hereby obliged and required to uncallow and take off all the Soil, Mould, or other Compost, lying upon the said Earth.

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1787.  W. H. Marshall, Norfolk (1795), I. 396, note. One individual gives 4d. … and 6d. … a load for casting: besides the uncallowing, which he pays for extra by the day.

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1824.  Mechanics’ Mag., No. 33. 77. This is done by removing the vegetable mould from the surface, which is called uncallowing.

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1842.  Civil Eng. & Arch. Jrnl., V. 85/2. The uncallowing and resoiling together must be taken at the lowest price of 3d. and 31/2d.

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