JOIST


Meaning of JOIST in English

I. ˈjȯist dial ˈjīst noun

( -s )

Etymology: Middle English giste, geste, from Middle French giste, from (assumed) Vulgar Latin jacitum, from Latin jacēre to lie + -itum (neuter of -itus, past participial ending) — more at gist

1.

a. : any of the small rectangular-sectioned timbers or rolled iron or steel beams ranged parallel from wall to wall in a structure or resting on beams or girders to support the planking, pavement, tiling, or flagging of a floor or the laths or furring strips of a ceiling — see binding joist , bridging joist , ceiling joist , trimming joist

b. : a similar timber supporting the floor of a bridge or other structure

2. : a stud or scantling about 3 by 4 inches in section

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joists

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II. transitive verb

( -ed/-ing/-s )

: to furnish with joists

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.