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
The cellar was filled to the floorboards above, and barrels hit the floor joists.
—
Laura Ness, Mercury News, 15 Mar. 2026
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, 6 Mar. 2026
The headquarters was mostly beams and joists, with no walls yet constructed.
—Emily Brindley, Fort Worth Star-Telegram, 25 Feb. 2026
Earlier this month, Aguillard got word from an architect that most of the joists that hold up the roof of the school gym in Aniak are broken.
—Emily Schwing, ProPublica, 30 Jan. 2026
See All Example Sentences for joist
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Laura Ness, Mercury News, 15 Mar. 2026
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, 6 Mar. 2026
The headquarters was mostly beams and joists, with no walls yet constructed.
—Emily Brindley, Fort Worth Star-Telegram, 25 Feb. 2026
Earlier this month, Aguillard got word from an architect that most of the joists that hold up the roof of the school gym in Aniak are broken.
—Emily Schwing, ProPublica, 30 Jan. 2026
See All Example Sentences for joist
Cite this Entry
“Joist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/joist. Accessed 3 Apr. 2026.
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joist
noun
: a small beam laid crosswise to support a floor or ceiling
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