[f. SOUGH v.2] The operation of draining or making drains. Also attrib., as soughing-tile, tool.
1807. Vancouver, Agric. Devon (1813), 133. Tunnelling, or soughing under the gateways, will be in proportion to … the facility of procuring soughing-tiles.
1840. Civil Eng. & Arch. Jrnl., III. 140/1. Improvements in the manufacture of cofered spades and shovels, soughing and grafting tools.
1868. Lady Verney, Stone Edge, xxi. I can’t afford to lose back-rent, and present rent, and arrears for soughing.
