joist

  1. Noun.  A piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed. Called, according to its position or use, binding joist, bridging joist, ceiling joist, trimming joist, etc.
  2. Verb.  (transitive) To fit or furnish with joists.

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This entry was last updated on RefTopia from its source on 3/20/2012.