v. [UN-2 4. Cf. Du. ontwallen.] trans. To deprive of, to free from, a wall or walls; to demolish (a wall).
1598. Florio, Smurare, to vnwall, to raze any walles.
1641. Trappe, Theol. Theol., i. 26, margin. Christ shall unwall (or cast down the wals) of all the children of Seth.
1663. Davenant, Siege Rhodes, Wks. (1672), 8. It were more honour, Sultan, to assail A publick Strength Then to unwall this private Tenement.
1686. J. S[ergeant], Hist. Monast. Convent., 176. The Masons unwalled and unclosed the Conclave.