Definition of countermine in English:

countermine

Syllabification: coun·ter·mine
Pronunciation: /ˈkountərˌmīn
 
/
Military

noun

  • An excavation dug to intercept another dug by an enemy.
    More example sentences
    • A countermine was successful when an enemy tunnel was intercepted.
    • A mine dug through the solid rock below the castle was intercepted by a countermine, bringing the mining to an end.
    • Here, the engineer is Hamlet, who is going to place some explosives in a countermine, one yard underneath that of his ‘excellent good friends’.

verb

[with object] Back to top  
  • Dig a countermine against.
    More example sentences
    • Mining operations and countermining operations have been part of America's wars since World War II.
    • Another 20 unknown contacts were countermined in harbours as the team responded to USN unmanned vehicle or marine mammal searches.
    • By countermining at these points, the Barcaeans broke into the enemy's works and slew the men they found there.

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