
1) Beam 2) Beam in the attic 3) Beam is splitting a bit 4) Building beam 5) Building supporter 6) Building timber 7) Ceiling support 8) Ceiling supporter 9) Ceiling supporting beam 10) Floor or ceiling support 11) Floor support 12) Floor support beam 13) Floorboard support 14) Floorboard supporter 15) French word used in English
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https://www.crosswordclues.com/clue/joist

1) Beam 2) Prop
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https://www.crosswordclues.com/clue/joist

beam supporting boards of a floor or laths of a ceiling
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http://phrontistery.info/j.html

• (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. • (v. t.) To fit or furnis...
Found on
http://thinkexist.com/dictionary/meaning/joist/

ceiling or floor support in building construction. Joistsof timber, steel, or reinforced concreteare laid in a parallel series across or abutting ... [3 related articles]
Found on
http://www.britannica.com/eb/a-z/j/21

A structural, load-carrying building member with an open web system that supports floors and roofs utilizing wood or specific steels and is designed as a simple span member.
Found on
http://www.electromn.com/glossary/j.htm

Any beams set parallel from wall to wall or across girders which support a floor or ceiling
Found on
http://www.encyclo.co.uk/local/20695

A beam that supports a ceiling or floor.
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http://www.encyclo.co.uk/local/20704

1. A horizontal beam, generally one of the beams used to support flooring or a ceiling. 2. A rolled steel beam of I section, known as a rolled steel joist (RSJ).
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http://www.encyclo.co.uk/local/20938
Joist (joist)
noun [ Middle English
giste , Old French
giste , French
gîte , from
gesir to lie, French
gésir . See
Gist .]
(Architecture) A piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring str...
Found on
http://www.encyclo.co.uk/webster/J/12
Joist transitive verb [
imperfect & past participle Joisted ;
present participle & verbal noun Joisting .] To fit or furnish with joists.
Johnson. Found on
http://www.encyclo.co.uk/webster/J/12

- Wooden 2 X 8's, 10's, or 12's that run parallel to one another and support a floor or ceiling, and supported in turn by larger beams, girders, or bearing walls.
Found on
http://www.homebuildingmanual.com/Glossary.htm

In architecture a joist is 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. The joints are called varying names according to their position or use, a binding joist, bridging joist, ceiling joist, trimming
Found on
http://www.probertencyclopaedia.com/browse/TJ.HTM

A horizontal member in the framing of a floor or ceiling.
Found on
http://www.selectstone.com/architectural-resources/stone-glossary/

Horizontal elements that are connected to beams perpendicularly to provide load transfer functions.
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https://1build.com/blog/construction-terms/

Joists are crucial components of a wide-span structure, as they help transfer the load from the beams to the vertical columns and studs. These horizontal elements are connected perpendicularly to the beams (horizontally) and joined (vertically) to the columns.
Found on
https://www.archdaily.com/898221/45-construction-terms-and-concepts-all-arc

Horizontal wood framing member set from wall to wall to support the boards of a floor or ceiling. See also: Ceiling Attenuation Class.
Found on
https://www.encyclo.co.uk/local/20687

Any beams set parallel from wall to wall or across girders which support a ceiling or floor.
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https://www.encyclo.co.uk/local/20694

A beam that supports a ceiling or floor.
Found on
https://www.encyclo.co.uk/local/20697

A particular form of I Section.
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https://www.encyclo.co.uk/local/20707
noun beam used to support floors or roofs
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https://www.encyclo.co.uk/local/20974

A structural load-carrying member with an open web system which supports floors and roofs utilizing hot-rolled or cold-formed steel and is designed as a simple span member.
Found on
https://www.encyclo.co.uk/local/21107

A structural, load-carrying building member with an open web system that supports floors and roofs utilizing wood or specific steels and is designed as a simple span member.
Found on
https://www.encyclo.co.uk/local/22819

any of a number of small, parallel beams of timber, steel, reinforced concrete, etc., for supporting floors, ceilings, or the like.
Found on
https://www.infoplease.com/dictionary/joist

A light beam. Often joists are the secondary members carrying floor loads to the main structural frames.
Found on
https://www.reidsteel.com/steel-buildings/glossary/
No exact match found.