steen

1723, Richard Froſt, James Young, et al., An Account of a Well near Queenborough in Kent, John Eames, John Martyn, The Philosophical Transactions 1719—1733, Abridged, Volume 6, Part 2, Royal Society (Great Britain), page 244, We then meaſured the Depth of it, and found it 200 Foot, and artificially ſteened the whole Depth with circular Portland Stone, which is all entire, and ſtands fair, the mean Diameter is four Foot eight Inches; […] .

1802, A Society of Practical Gardeners, Rural Recreations; Or The Gardener's Instructor, London, page 182, The sides and dome of the cone should be nine inches thick, and the sides ought to be constructed of steened brick-work, that is without mortar, and wrought at right angles to the face of the work: the vacancies behind may be filled with brick-bats, gravel, or loose stones, so that the water which escapes through the sides, may the more readily find its way into the reservoir.