thick stuff

noun

noun

Nautical, Transport All plank that is more than four inches thick and less than twelve.

In order to prove the efficacy of this plan , six pieces of rough and six of sided timber were put into the mast - pond at Deptford , and twelve pieces of rough , and twelve of sided timber , and six pieces of thick-stuff , were placed in the mast1821, John Knowles, An Inquiry Into The Means Which Have Been Taken To Preserve The British Navy, From The Earliest Period To The Present Time:

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