postmark

Definitions of postmark
1

n a cancellation mark stamped on mail by postal officials; indicates the post office and date of mailing

Type of:
mark, marker, marking
a distinguishing symbol

v stamp with a postmark to indicate date and time of mailing

Synonyms:
frank
Type of:
stamp
to mark, or produce an imprint in or on something

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.