countermark (English, noun)
expansion: countermark (plural countermarks)
Senses:
glosses: A mark or token added to those already existing, as a security or proof.
topics: farriery
hobbies
horses
lifestyle
pets
sports
glosses: An artificial cavity made in the teeth of horses that have outgrown their natural mark, to disguise their age.
Forms:
form: countermarks
tags: plural