1. Mil. An underground gallery excavated to intercept and destroy the mining of an enemy.
2. A stratagem or plot by which another sratagem or project is defeated.
Thinking himself contemned, knowing no countermine against contempt but terror. --Sir P. Sidney.
Coun·ter·mine v. t. [imp. & p. p. Countermined; p. pr. & vb. n. Countermining.]
1. Mil. To oppose by means of a countermine; to intercept with a countermine.
2. To frustrate or counteract by secret measures.
Coun·ter·mine, v. i. To make a countermine or counterplot; to plot secretly.
'Tis hard for man to countermine with God. --Chapman.
n : (military) a tunnel dug to defeat similar activities by the
v 1: destroy property or hinder normal operations; "The
Resistance sabotaged railroad operations during the war"
[syn: sabotage, undermine, counteract, subvert,
2: destroy enemy mines with one's own mines; "We countermined
the banks of the river"