[ noun koun-ter-mahrk; verb koun-ter-mahrk ]

  1. Also called counterstamp. a sign or device stamped on a coin after its minting.

verb (used with object)
  1. to stamp (a coin) with a countermark; counterstamp.

Origin of countermark

1495–1505; (noun) <Middle French contremarque, equivalent to contrecounter- + marquemark1; (v.) <Middle French contremarquer, derivative of contremarque

Words Nearby countermark Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024