Artificial intelligent assistant

counter-batter

counter-ˈbatter, v. Mil.
  [counter- 1, after F. contre-battre.]
  trans. To batter with a return fire (from a counter-battery).

1879 Cassell's Techn. Educ. IV. 138/2 Gun casemates are therefore more frequently employed..in the flanking batteries of the ditches, where the liability to be counterbattered by artillery is remote.

Oxford English Dictionary

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