joist

Pronunciation: /d͡ʒɔɪst/

The English word “joist” has 2 meanings listed here.

noun

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.

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

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