Learner's definition of SOLE. always used before a noun. 1. : only or single. He became the sole heir to the property. the sole owner. The sole aim/objective/purpose of the program is to help the poor. She was the sole survivor of the tragedy. Icy roads were the sole cause of the accident. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples
Dead letter mail or undeliverable mail is mail that cannot be delivered to the addressee or returned to the sender.ith increased collection and study of the postal markings originating from such offices, the body of literature on this obscure topic may grow. Many countries, including Canada and the United States, have issued special labels for envelopes that have travelled through the dead letter office.
Investigators believe seven letters containing anthrax spores were mailed. Four of the seven are thought to have been mailed on the same day and addressed to major media outlets in New York City: ABC News, CBS News, NBC News, and the New York Post. Of these, only the NBC and New York Post letters were recovered.N OCTOBER 4, 2001, reporters in Florida announced the first case in 25 years of a person contracting the deadly bacterium anthrax. The following day, Robert Stevens, the photo editor of the Florida-based tabloid Sun, died.