Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun postmark

1 sense of postmark

Sense 1
postmark -- (a cancellation mark stamped on mail by postal officials; indicates the post office and date of mailing)
       => marker, marking, mark -- (a distinguishing symbol; "the owner's mark was on all the sheep")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb postmark

1 sense of postmark

Sense 1
postmark, frank -- (stamp with a postmark to indicate date and time of mailing)
       => stamp -- (to mark, or produce an imprint in or on something; "a man whose name is permanently stamped on our maps")