JOIST


Meaning of JOIST in English

[ dʒɔɪst ]

■ noun a length of timber or steel supporting the floor or ceiling of a building.

Derivatives

~ed adjective

Origin

ME giste , from OFr., 'beam supporting a bridge', based on L. jacere 'lie down'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.