a post-office mark stamped on a piece of mail, canceling the postage stamp and recording the date and place of sending or receiving
to stamp with a postmark
An official mark printed over a postage stamp, especially one that cancels the stamp and records the date and place of mailing.
transitive verbpost·marked, post·mark·ing, post·marks
To stamp with such a mark.
(third-person singular simple present postmarks, present participle postmarking, simple past and past participle postmarked)
- To apply a postmark on.