n.
Function: transitive verb
Date: 13th century
1 a : to provide, cover with, or surround with or as if with a wall < wall in the garden> b : to separate by or as if by a wall < wall ed off half the house>
2 a : IMMURE < wall ed the monster up within the tomb ― E. A. Poe> b : to close (an opening) with or as if with a wall