| 释义 |
ˈside-waver dial.
Also 7 -wiver, 9 -wafer, -wefer.
[f. side n.1 with obscure second element.
With sense 1 cf. the Northumb. inwaver, inwiver a bar of wood inside a boat, on which the seats rest. Sense 2 seems to be derived from the verbs wave or waver.]
1. A purlin.
1611Cotgr., Filiere,..a side-wauer. 1641Louth Rec. (1891) 110 To Carter for two fyne Poules for sidewivers for the schole, v s. vj d. 1671in Holmes Pontefract Bk. Entries (1882) 103 Item, for syde wavers, 2. 0. 0. 1703Thoresby Let. to Ray, Bawks, the large timber beams that support the roof by sign-trees, under the side-wavers. 1788W. H. Marshall Yorksh. II. 351 Sidewaver, the purline of a roof. 1850Parker Gloss. Arch. (ed. 5) 377 In some districts purlins are called ribs,..in Lincolnshire side-wavers.
2. Coal-mining. (See quot. 1851.)
1851Greenwell Coal-trade Terms, Northumb. & Durh., Side-wavers, the loose sides of a drift or open-cast, which would, if unsupported, soon fall. 1868Scott Ventilat. Coal⁓mines 28 (E.D.D.), A side-wafer, or a frame of stone, most dangerous to look at, as it appeared ready to drop. Ibid. 31 The sides of the shaft..had given way; large side-wefers had slidden off. |