Inwall /(ĭn*wa̤l")/

In·wall

Inwall

v. t.

imp. & p. p. Inwalled; p. pr. & vb. n. Inwalling

  1. To inclose or fortify as with a wall.

Inwall

n.
  1. An inner wall; specifically (Metal.), the inner wall, or lining, of a blast furnace. (Metal.)