Look up: Postmark

1. 
   postmark
   [n] - a cancellation mark stamped on mail by postal officials 2. [v] - stamp with a postmark to indicate date and time of mailing
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. 
   Postmark
   Post'mark` noun The mark, or stamp, of a post office on a letter, giving the place and date of mailing or of arrival.
   Found on http://www.encyclo.co.uk/webster/P/134
   
   
3. 
   Postmark
   Post'mark` transitive verb [ imperfect & past participle Postmarked ; present participle & verbal noun Postmarking .] To mark with a post-office stamp; as, to postmark a letter or parcel.
   Found on http://www.encyclo.co.uk/webster/P/134
   
   
4. 
   postmark
   noun a cancellation mark stamped on mail by postal officials; indicates the post office and date of mailing
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
5. 
   Postmark
   A `postmark` is a postal marking made on a letter, package, postcard or the like indicating the (more or less precise) date and time that the item was delivered into the care of the postal service. Modern postmarks are often applied simultaneously with the cancellation or `killer` that marks the postage stamp(s) as having been used (though in some circumstances there may be a postmark without a killer, and sometimes the postmark and killer form a...
   Found on http://en.wikipedia.org/wiki/Postmark
   
   
6. 
   Postmark
   • (v. t.) To mark with a post-office stamp; as, to postmark a letter or parcel. • (n.) The mark, or stamp, of a post office on a letter, giving the place and date of mailing or of arrival.
   Found on http://thinkexist.com/dictionary/meaning