Source : Webster's Revised Unabridged Dictionary (1913)

Immure \Im*mure"\, v. t. [imp. & p. p. {Immured}; p. pr. & vb.
   n. {Immuring}.] [Pref. im- in + mure: cf. F. emmurer.]
   1. To wall around; to surround with walls. [Obs.] --Sandys.

   2. To inclose whithin walls, or as within walls; hence, to
      shut up; to imprison; to incarcerate.

            Those tender babes Whom envy hath immured within
            your walls.                           --Shak.

            This huge convex of fire, Outrageous to devour,
            immures us round.                     --Milton.