certified mail

American  

noun

1. uninsured first-class mail requiring proof of delivery.

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Etymology

Origin of certified mail

First recorded in 1950–55

Example Sentences

Also increasing would be the cost of domestic and international postcards, one-ounce international letters, certified mail, post office box rentals, money order fees and mailing insurance.

From Washington Times

The pro-Trump super PAC, which sent the complaint via certified mail on Wednesday, is asking the state commission to impose “the most severe penalties” under Florida ethics law, which include, among other things, impeachment, removal from office, public censure and ballot disqualification.

From New York Times

For more than two decades, the archdiocese has reported every allegation of abuse to the state attorney general’s office by certified mail.

From Washington Post

In a declaration, Sea Org member Joshua Adi said he was shown certified mail receipt cards stating he signed for packages from the plaintiffs’ attorneys on Sept. 19, but he never picked up those packages or signed the receipts.

From Seattle Times

Attorneys for Paris and the Baxters then sent notice of service by certified mail to 10 Scientology addresses in Clearwater and California, according to court records.

From Seattle Times