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Definition of Joist
1. Noun. Beam used to support floors or roofs.
Definition of Joist
1. n. 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,
2. v. t. To fit or furnish with joists.
Definition of Joist
1. to support with horizontal beams [v -ED, -ING, -S]
Lexicographical Neighbors of Joist
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