COUNTERMINE (2)

Coun′ter‐mine″ (koun′tẽr‐mīn″), v. t. [[Cf. F. contreminer.]] [imp. & p. p. Countermined; p. pr. & vb. n. Countermining.] 1. 1. (Mil.) To oppose by means of a countermine; to intercept with a countermine.
2. 2. To frustrate or counteract by secret measures.