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Added 3 October 2026

joist

/d͡ʒɔɪst/ noun

In Latin: gistura Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about joist at Wordnik → Where our words come from →

A piece of timber or steel laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed.

verb

To fit or furnish with joists.

Origin

From Old French giste, feminine of gist, the past participle of gesir (“to lie down”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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