Countermark

noun, verb

Definitions

Noun
  1. 1
    A mark or token added to those already existing, as a security or proof.
  2. 2
    An artificial cavity made in the teeth of horses that have outgrown their natural mark, to disguise their age.
Verb
  1. 1
    To apply a countermark to. transitive

    "to countermark silverware"

Etymology

Etymology 1

From counter- + mark.

Etymology 2

From counter- + mark.

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