joist(redirected from joisting)
Also found in: Thesaurus, Encyclopedia.
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.
(Building) a beam made of timber, steel, or reinforced concrete, used in the construction of floors, roofs, etc. See also rolled-steel joist
(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]
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]
Past participle: joisted
Switch to new thesaurus
|Noun||1.||joist - beam used to support floors or roofs|
beam - long thick piece of wood or metal or concrete, etc., used in construction
floor joist - joist that supports a floor