inwall

/ˈɪnˌwɔl/
noun
  1. A wall that is built inside another wall or structure, often for support or insulation.
    • The old house had an inwall made of brick to help keep the heat in.
    • The architect designed an inwall to provide extra soundproofing between the rooms.
    • During the renovation, they discovered an inwall that had been hidden for decades.
verb
  1. To enclose or surround with a wall; to build a wall around something.
    • The ancient city was inwalled to defend against invaders.
    • The garden was inwalled to protect it from the wind.
    • They decided to inwall the courtyard to create a private space.
What does "inwall" mean? | whatsthatwordmean | whatsthatwordmean