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Meaning of joist

joist

Pronunciation: ( joist), [key]
— n.
  1. any of a number of small, parallel beams of timber, steel, reinforced concrete, etc., for supporting floors, ceilings, or the like.
—v.t.
  1. to furnish with or fix on joists.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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