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lewis bolt
noun
Building Trades.
- an anchor bolt having a conical base around which concrete or lead is poured to hold it.
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˜yÐÄvlog History and Origins
Origin of lewis bolt1
First recorded in 1870–75
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Example Sentences
Examples have not been reviewed.
He found the Lewis bolt fixed to its end, but the wedge had gone, and he climbed to the spot where the end of the beam had been fixed.
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