Definition of joist Joist
/Κ€ΙjΛst/ - [joyst] - joist
We found 8 definitions of joist from 6 different sources.
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What does joist mean?
WordNet
NounPlural: joists |
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| joist - beam used to support floors or roofs | ||
| beam long thick piece of wood or metal or concrete, etc., used in construction | ||
| floor joist joist that supports a floor | ||
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Wiktionary 
- joist (Noun)
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. - joist (Verb)
To fit or furnish with joists.
Webster DictionaryWebster's Unabridged Dictionary π
- joist (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, a. - joist (v. t.)
To fit or furnish with joists.
OmegaWiki DictionaryOmegaWiki Dictionary Ξ©
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joist
One of the horizontal supporting members that run from wall to wall, wall to beam, or beam to beam to support a ceiling, roof, or floor.
Chambers DictionaryChamber's 20th Century Dictionary π
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joist
joist, n. the timbers to which the boards of a floor or the laths of a ceiling are nailed.βv.t. to fit with joists. [O. Fr. gisteβgesirβL. jacΔre, to lie.]
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