JOIST


Meaning of JOIST in English

/ dʒɔɪst; NAmE / noun

a long thick piece of wood or metal that is used to support a floor or ceiling in a building

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WORD ORIGIN

late Middle English giste , from Old French , beam supporting a bridge , based on Latin jacere lie down.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.