joist

[ joist ]
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noun
  1. any of a number of small, parallel beams of timber, steel, reinforced concrete, etc., for supporting floors, ceilings, or the like.

verb (used with object)
  1. to furnish with or fix on joists.

Origin of joist

1
1325–75; Middle English giste<Old French <Latin *jacitum support, noun use of neuter of Latin jacitus (past participle of jacēre to lie), equivalent to jaci- variant stem + -tus past participle suffix

Other words from joist

  • joistless, adjective

Words Nearby joist

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How to use joist in a sentence

British Dictionary definitions for joist

joist

/ (dʒɔɪst) /


noun
  1. a beam made of timber, steel, or reinforced concrete, used in the construction of floors, roofs, etc: See also rolled-steel joist

verb
  1. (tr) to construct (a floor, roof, etc) with joists

Origin of joist

1
C14: from Old French giste beam supporting a bridge, from Vulgar Latin jacitum (unattested) support, from jacēre to lie

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