Meaning of the word "registered mail" in English

What does "registered mail" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

registered mail

US /ˈredʒ.ɪ.stərd meɪl/
UK /ˈredʒ.ɪ.stərd meɪl/
"registered mail" picture

Noun

1.

a mail service that provides extra security for valuable or important items, ensuring proof of mailing and delivery

Example:
I sent the important documents by registered mail.
You need to send this contract by registered mail to ensure it arrives safely.
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