1
general::
Phrase(s): wall someone or something in
to contain someone or something behind or within a wall. (Implies a constriction of space, but not necessarily an inescapable area. See wall something up.) • The count walled his prisoner in permanently. • Jane decided to wall in the little garden at the side of the house. • She walled the garden in.
McGrawhill's American Idioms And Phrasal Verbs