meaning of joist

1. 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.
2.
To fit or furnish with joists.
3.
beam used to support floors or roofs


Related Words

joist | joisted | joisting |

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