1. [verb] (transitive) To cloister, confine, imprison: to lock up behind walls.
2. [verb] (transitive) To put or bury within a wall.
3. [verb] (transitive) (crystallography and geology) (of a growing crystal) To trap or capture (an impurity); chiefly in the participial adjective immured and gerund or gerundial noun immuring.
4. [noun] (obsolete) A wall; an enclosure.
5. [verb] Lock up or confine, in or as in a jail; 'The suspects were imprisoned without trial'; 'the murderer was incarcerated for the rest of his life'.
