inwall

noun

1. The refractory lining of the stack of a blast furnace; or the interior walls or lining of a shaft furnace.

verb

1. (transitive)To shut in or enclose with walls.

   “in short space would be so augmented , as they would be able with little to inwall themselves strongly”

   “O change my state, unthrall my soule enthralled: / Of my escape then will I tell the story, / And with a crown enwalled / Of godly men, will glory in thy glory.”