joist
noun
any of a number of small, parallel beams of timber, steel, reinforced concrete, etc., for supporting floors, ceilings, or the like.
joists
-
present tense formof joist (3rd person singular).present tense
Used to describe things happening now or regularly.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The often-expansive data-center buildings typically have steel frames made up of wall pillars, roof joists and roof sheeting.
From The Wall Street Journal ● Jun. 29, 2026
Machines cut lumber and route utility pathways; nail guns connect joists, studs and weather wrap; other machines blow in insulation, all guided by a digital model.
From Los Angeles Times ● May 9, 2025
Inside Mr. Zulkibli’s 50-foot-high birdhouse, wooden joists crisscross the ceilings, creating places for birds to make their nests.
From New York Times ● Apr. 2, 2024
He discovered that the bandboard that caps the ends of his floor joists was rotting.
From Seattle Times ● Apr. 1, 2024
The tiled floor was mostly shattered and broken through in places down past the joists.
From "Native Speaker" by Chang-rae Lee
