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
This same tension tie hardware should be used to connect the deck joists to the house joists.
—
Tim Carter, Hartford Courant, 9 Aug. 2025
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
See All Example Sentences for joist
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Tim Carter, Hartford Courant, 9 Aug. 2025
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
See All Example Sentences for joist
Cite this Entry
“Joist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/joist. Accessed 19 Aug. 2025.
Copy CitationKids Definition
joist
noun
: a small beam laid crosswise to support a floor or ceiling
Love words? Need even more definitions?
Merriam-Webster unabridged
Share