n. A move in opposition or response to a preceding move.
v. To move in opposition or in retaliation.
the GNU version of the Collaborative International Dictionary of English
v. To move in a contrary direction to.
A movement in opposition to another.
The Century Dictionary and Cyclopedia
n. A counter-movement.
To move in a contrary direction, or in antagonism to.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an attack by a defending force against an attacking enemy force in order to regain lost ground or cut off enemy advance units etc.
Word Usage
"The mechanics inform as a countermove on the lower part of the form the pilots about the fact which measures they have taken in each case, before the airplane starts again."