Definition of certified mail in English:
A postal service in which the sending and receipt of a letter or package are recorded.
- When filing my federal income tax return, will I have any problems if I mail it without using registered or certified mail?
- Using smart cards and passwords as a means of identifying both the sender and receiver, the U.S. Postal Service began Jan. 21 to offer an electronic version of certified mail called NetPost Certified.
- The Hong Kong meeting was called to discuss cooperation on certified mail and professional certification.
Definition of certified mail in:
- British & World English dictionary
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