Definition of "walling"

walling

verb
1. present participle and gerund of wall
noun
countable and uncountable, plural wallings
1. A group of walls.
  Quotations
  Nor was this all; seeing something projecting through the soil at the bottom of the bared patch of walling, I removed the loose earth with my hands, and revealed a huge stone ring, a foot or more in diameter, and about three inches thick.
  1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887
  “All three,” says Dr. Schliemann, “were unusually large, and appeared to have been forced into the small space of only 5 feet 6 inches, left for them between the inner wallings […]
  2014, Carl Schuchhardt, Schliemann's Excavations, page 252
2. Material used for walls.
3. A method of torture in which a person's neck is encircled by a collar, which is then used to slam the person against a wall.