COUNTERMURE
n.[L., a wall. ] A wall raised behind another, to supply its place, when a breach is made.
n.To fortify with a wall behind another.
Coun "ter *mure ` (-mr `), n. Etym: [Counter- + mure: cf. F. contremur.](Fort. )
Coun `ter *mure " (koun `tr-mr "), v. t. [imp. & p. p. Countermured (-mrd "); p. pr. & vb. n. Countermuring.] Etym: [Cf. F. contremurer.]