joist

Definitions:

  • 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.
  • To construct with joists.
  • In <em>building</em>, one of the pieces of timber to which the boards of a floor or the laths of a ceiling are nailed, and which themselves rest on the walls or on girders, and sometimes on both. Joists are laid horizontally in parallel equidistant rows.
  • To fit or furnish with joists.
  • To fit or furnish with joists.
  • 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, <stype>binding joist</stype>, <stype>bridging joist</stype>, <stype>ceiling joist</stype>, <stype>trimming joist</stype>, etc. See <ex>Illust.</ex> of Double-framed floor, under <xref urlencoded="double">double</xref>, a.
  • A piece of <xref>timber</xref> laid <xref>horizontally</xref>, or nearly so, to which the <xref>planks</xref> of the floor, or the <xref>laths</xref> or furring strips of a ceiling, are nailed. Called, according to its position or use, binding joist, bridging joist, ceiling joist, trimming joist, etc.
  • To <xref>fit</xref> or <xref>furnish</xref> with joists.
  • beam used to support floors or roofs
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