Countermark

noun, verb

noun, verb ·Uncommon ·Advanced level

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

From counter- + mark.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.