countermine

nouns

(military) a tunnel dug to defeat similar activities by the enemy
countermine
domain category
the military forces of a nation
"their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"
armed forces, armed services, military, military machine, war machine
is a type of (narrower)
an action taken to offset another action
countermeasure

verbs

destroy property or hinder normal operations
"The Resistance sabotaged railroad operations during the war"
counteract, countermine, sabotage, subvert, undermine, weaken
destroy enemy mines with one's own mines
"We countermined the banks of the river"
countermine
is a type of (narrower)
lay mines
"The Vietnamese mined Cambodia"
mine