Pronunciation

change

Singular
postmark

Plural
postmarks

  1. (countable) A postmark is a stamp that shows where a letter was sent from.
    The postcard had an Orlando postmark on it.

Plain form
postmark

Third-person singular
postmarks

Past tense
postmarked

Past participle
postmarked

Present participle
postmarking

  1. If you postmark something, you add a postmark to it.
    This letter was postmarked on the 23rd of January.
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