Synonyms: postmark
Definition: a cancellation mark stamped on mail by postal officials; indicates the post office and date of mailing
Similar words: mark, marker, marking
Definition: a distinguishing symbol
Usage: the owner's mark was on all the sheep
Definition: stamp with a postmark to indicate date and time of mailing
Similar words: stamp
Definition: to mark, or produce an imprint in or on something
Usage: a man whose name is permanently stamped on our maps