"I wonder if this is a countermine, a cord set to entangle our own net," meditated Giacinto.
They mine and countermine, until it isn't safe to predict who is immune and who isn't.
countermine:—As before, but moored 29-1/4' below the surface.
It is not an easy matter to decide just where the countermine should be sunk or how far to go.
After this, twelve small charges of gun-cotton were sunk in various directions, each representing a countermine of 500 pounds.
I know where the mine is to be sprung; and I will countermine!'
I remember exploding its American countermine once, under that grand hero, Napoleon.
They mine and countermine expeditiously in the Channel Fleet.
Before sunrise the baron commenced a countermine at the point indicated by the deserter, inside the bailey wall.
The springing of their countermine, he found, was no deliverance.