\ ˈjȯist How to pronounce joist (audio) \

Definition of joist

: any of the small timbers or metal beams ranged parallel from wall to wall in a structure to support a floor or ceiling

Illustration of joist

Illustration of joist

J joist

Examples of joist in a Sentence

Recent Examples on the Web Meanwhile, once the balconettes were removed from Promont, the contractor found the damage extended along joists that run under the floor of the observation level of the tower, Amann said. Jeanne Houck,, "Greater Milford Area Historical Society to state: Help us fix museum," 3 Nov. 2019 Built out of composite decking and pressure treated joists, sturdy 2 by 12’s, handrails, and balusters, the ramp had three wide landings for turning wheelchairs. Denise Coffey,, "Ellis Tech Carpentry Students Measure Up," 7 Oct. 2019 The home was erected using steel-joist construction of concrete and metal for outstanding strength-to-weight ratio and high durability. Mary Wakeford, azcentral, "Couple finds the perfect Victorian home in Peoria. Take a look," 22 Aug. 2019 But the second time around, the building department required that the end of every floor joist be cut at a sloping angle. Roy Berendsohn, Popular Mechanics, "An Ode to the Circular Saw," 6 June 2014 These renovations have cost the U.K. taxpayer £2.4 million ($3 million), largely because most of the ceiling beams and floor joists had to be replaced, while heating, water and gas systems also had to be relaid to suit a single home. Phil Boucher, Fortune, "The British Royal Family’s Costs Are Skyrocketing. Here’s Why," 29 June 2019 In reality, the money was used to update the interior and exterior of the cottage, including replacing the decaying ceiling beams, floor joists, and electrical system. Lucia Tonelli, ELLE Decor, "Inside Prince Harry and Meghan Markle’s $3.05 Million Renovations to Frogmore Cottage," 26 June 2019 Palace sources said that the major work undertaken included the removal and replacement of defective ceiling beams and defective floor joists. Victoria Murphy, Town & Country, "Prince Harry and Meghan Markle's Renovations to Frogmore Cottage Cost $3.05 Million in Public Funds," 24 June 2019 Cut the panels to fit tightly between the floor and overhead joists. Joseph Truini, Popular Mechanics, "How to Finish Your Basement," 18 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'joist.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of joist

15th century, in the meaning defined above

History and Etymology for joist

Middle English giste, joiste, from Anglo-French giste, from Vulgar Latin *jacitum, from Latin jacēre to lie — more at adjacent

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Time Traveler for joist

Time Traveler

The first known use of joist was in the 15th century

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Statistics for joist

Last Updated

3 Dec 2019

Cite this Entry

“Joist.” The Dictionary, Merriam-Webster Inc., Accessed 6 December 2019.

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More Definitions for joist


How to pronounce joist (audio)

English Language Learners Definition of joist

: a strong, heavy board that supports a floor or ceiling


\ ˈjȯist How to pronounce joist (audio) \

Kids Definition of joist

: any of the small timbers or metal beams laid crosswise in a building to support a floor or ceiling

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More from Merriam-Webster on joist

Rhyming Dictionary: Words that rhyme with joist

Spanish Central: Translation of joist

Nglish: Translation of joist for Spanish Speakers Encyclopedia article about joist

Comments on joist

What made you want to look up joist? Please tell us where you read or heard it (including the quote, if possible).


very cautious or careful

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