joist
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joist
(joist)n.
Any of the wood, steel, or concrete beams set parallel from wall to wall or across or abutting girders to support a floor or ceiling.
tr.v. joist·ed, joist·ing, joists
To construct with joists.
[Middle English giste, joiste, from Old French giste, from feminine past participle of gesir, to lie, lie down, from Latin iacēre; see yē- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
joist
(dʒɔɪst)n
(Building) a beam made of timber, steel, or reinforced concrete, used in the construction of floors, roofs, etc. See also rolled-steel joist
vb
(Building) (tr) to construct (a floor, roof, etc) with joists
[C14: from Old French giste beam supporting a bridge, from Vulgar Latin jacitum (unattested) support, from jacēre to lie]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
joist
(dʒɔɪst)n.
one of a number of small parallel beams of timber, steel, or reinforced concrete that support a floor or ceiling.
[1325–75; Middle English giste < Old French, n. derivative of gesir to lie « Latin jacēre]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
joist
Past participle: joisted
Gerund: joisting
| Imperative |
|---|
| joist |
| joist |
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
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| Noun | 1. |  joist - beam used to support floors or roofsbeam - long thick piece of wood or metal or concrete, etc., used in construction floor joist - joist that supports a floor trimmer joist, trimmer - joist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc. |
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