cofferingn.
/ˈkɒfərɪŋ/ 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.
ΘΚΠ
the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > chain > trough to support
coffer1785
coffering1785
1785 W. Roy in Philos. Trans. (Royal Soc.) 75 451 Stands..that supported the ninety-eight feet of coffering.
1790 Roy Surveying in Philos. Trans. (Royal Soc.) 80 Pl. 1 Plan of the Coffering for each Chain.
2. Architecture. Cf. coffer n. 5; coffered adj. 2.
ΘΚΠ
society > leisure > the arts > visual arts > architecture > other elements > [noun] > sunk panel
coffer1664
lunette1722
cradle1823
lacunars1823
coffering1845
cassoon1850
lunetta1898
caisson-
1845 Athenæum 4 Jan. 18 Its coffering, and also the panelled soffits of the architraves.
1884 H. Stannus Dome St. Paul's ( Times 20 Nov. 4/5) Coffering..was intended by Wren, as shown by his drawings.
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3. Mining. See coffer v.1 3.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2018).
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n.1785