thick stuff

English

Noun

thick stuff (uncountable)

1. (nautical) All plank that is more than four inches thick and less than twelve.
   • 1821, John Knowles, An Inquiry Into The Means Which Have Been Taken To Preserve The British Navy, From The Earliest Period To The Present Time:

     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 mast

References

“thick”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.