Third-person singular simple present indicative form of joist.(verb)
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Use "joists" in a sentence
"He is right: we lose a lot of heat through our floors, yet short of taking up floorboards and hanging insulation between the joists, which is expensive and disruptive, it seems there is little advice about what to do."
"Meserve said that although the joists are a setback, they will not push back the finish date for the project."
"Some are too old, or too sick, or not handy enough, or, like me, too stupid about "joists" and galvanized whatchamacallits, and stuff like that."