sb. [f. COFFER sb. + -ING.]
1. An arrangement or structure of coffers. In quots. referring to the coffers or troughs used to support the chain in measuring the Ordnance Survey base-line on Hounslow Heath.
1785. Roy, Surveying, in Phil. Trans., LXXV. 451. Stands that supported the ninety-eight feet of coffering. Ibid. (1790), LXXX. Plate 1, Plan of the Coffering for each Chain.
2. Arch. Cf. COFFER sb. 5; COFFERED 2.
1845. Athenæum, 4 Jan., 18. Its coffering, and also the panelled soffits of the architraves.
1884. H. Stannus, Dome St. Pauls (Times, 20 Nov., 4/5). Coffering was intended by Wren, as shown by his drawings.
3. Mining. See COFFER v.1 3.