/ Dictionary / Index C counterstamp: Meaning and Definition of Find definitions for: coun•ter•stamp Pronunciation: (n.koun'tur-stamp"v.koun'tur-stamp'), [key] — n. a stamp added to a stamped paper or document as a qualifying mark. countermark (def. 1). —v.t. to stamp (a paper or document) already stamped. countermark (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. counterstain counterstatement Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language