back lining



  • In a weighted sash window, the thin wood strip that closes the jamb of a cased frame to provide a smooth surface for the operation of the sash and, where applicable, prevents abrasion of brickwork by the sash weights.
  • The framing piece that constitutes the back recess for box shutters.

Information & Library Science

  • noun a piece of thin cloth or paper glued to the sewn spine of a book before the cover is attached