What is the meaning of Immure?
To cloister, confine, imprison or hole up: to lock someone up or seclude oneself behind walls.
To put or bury within a wall.
To wall in.
To trap or capture (an impurity); chiefly in the participial adjective immured and gerund or gerundial noun immuring.
A wall; an enclosure.
Source: wiktionary.org