ALL meanings of certified mail
cer·ti·fied mail
C c - uncountable noun certified mail If you send a letter or package by certified mail, you send it using a mail service which gives you an official record of the fact that it has been mailed and delivered. 3
- noun certified mail first-class mail that requires proof of delivery, for a small fee payable by the sender 3
- noun certified mail a postal service for recording the mailing and delivery of a piece of first-class mail 3
- noun certified mail mail recorded by this service: it is not insurable 3
- noun certified mail uninsured first-class mail requiring proof of delivery. 1
- noun certified mail (US) First class mail that provides the sender proof of mailing and a delivery record. 0