1. A contradictory command that overrides or annuls a previous one.
2. An action that has the effect of voiding something previously ordered; a revocation. — countermand (kown-t[ schwa]r-mandorkown-), vb.
1. A contradictory command that overrides or annuls a previous one.
2. An action that has the effect of voiding something previously ordered; a revocation. — countermand (kown-t[ schwa]r-mandorkown-), vb.