Noun postmark has 1 sense
  1. postmark - a cancellation mark stamped on mail by postal officials; indicates the post office and date of mailing
    --1 is a kind of
    marker, marking, mark
    Derived form: verb postmark1
,Verb postmark has 1 sense
  1. postmark, frank - stamp with a postmark to indicate date and time of mailing
    --1 is one way to stamp
    Derived form: noun postmark1
    Sample sentence:
    Somebody ----s something
,
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