countermark

noun, verb — 3 senses

countermark

noun

Etymology From counter- + mark.

A mark or token added to those already existing, as a security or proof.

Farriery, Hobbies, Horses, Lifestyle, Pets, Sports An artificial cavity made in the teeth of horses that have outgrown their natural mark, to disguise their age.

countermark

verb

Etymology From counter- + mark.

To apply a countermark to.

to countermark silverware
to countermark a horse's teeth

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.