Illustration of joist
- J joist
: any of the small timbers or metal beams ranged parallel from wall to wall in a structure to support a floor or ceiling
Examples of joist in a Sentence
Recent Examples on the Web
Mud tunnels, or shelter tubes, about the width of a straw, on the foundation, floor joists, and other parts of the house are signs of a colony.
—
Arricca Elin Sansone, Southern Living, 27 June 2025
The flooring in your home is supported by wood joists.
—Tim Carter, Hartford Courant, 24 May 2025
The stair treads and risers are fastened to and held firm by stringers, which are analogous to the joists under a floor.
—Tim Carter, Hartford Courant, 24 May 2025
Seventeen wooden joists in the south-west corner’s terracing collapsed, sending those standing in the affected area through the floor, with some mangled in the steel and others plunging all the way to the ground.
—Jordan Campbell, New York Times, 17 May 2025
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Arricca Elin Sansone, Southern Living, 27 June 2025
The flooring in your home is supported by wood joists.
—Tim Carter, Hartford Courant, 24 May 2025
The stair treads and risers are fastened to and held firm by stringers, which are analogous to the joists under a floor.
—Tim Carter, Hartford Courant, 24 May 2025
Seventeen wooden joists in the south-west corner’s terracing collapsed, sending those standing in the affected area through the floor, with some mangled in the steel and others plunging all the way to the ground.
—Jordan Campbell, New York Times, 17 May 2025
See All Example Sentences for joist
Cite this Entry
“Joist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/joist. Accessed 15 Jul. 2025.
Copy CitationKids Definition
joist
noun
: a small beam laid crosswise to support a floor or ceiling
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