- (n.) An artificial cavity made in the teeth of horses that have outgrown their natural mark, to disguise their age.
- (v.t.) To apply a countermark to; as, to countermark silverware; to countermark a horse's teeth.
- (n.) A mark or token added to those already existing, in order to afford security or proof; as, an additional or special mark put upon a package of goods belonging to several persons, that it may not be opened except in the presence of all; a mark added to that of an artificer of gold or silver work by the Goldsmiths' Company of London, to attest the standard quality of the gold or silver; a mark added to an ancient coin or medal, to show either its change of value or that it was taken from an enemy.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). countermark. Retrieved September 20, 2026, from http://smartdefine.org/countermark/definitions/1992248 |
| Chicago | Webster's. 2011. "countermark" http://smartdefine.org/countermark/definitions/1992248 (accessed September 20, 2026). |
| Harvard | Webster's 2011, countermark, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/countermark/definitions/1992248>. |
| MLA | Webster's. "countermark" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/countermark/definitions/1992248> |