DICT.TW Dictionary Taiwan

 Joist n.  Arch. A piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed; -- called, according to its position or use, binding joist, bridging joist, ceiling joist, trimming joist, etc. See Illust. of Double-framed floor, under Double, a.

 Bridge·ing n. Arch. The system of bracing used between floor or other timbers to distribute the weight.
 Bridging joist. Same as Binding joist.
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