dead mail

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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.dead mail - mail that can neither be delivered nor returned
letter, missive - a written message addressed to a person or organization; "mailed an indignant letter to the editor"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
They trained all their elements in Bahrain to use "dead mail" in order to transport, exchange, deliver, receive money, weapons, ready-to-use or homemade explosives and remote detonators.
"The process of the defendants collecting materials from dead drops and making homemade bombs is called dead mail service," said the police detective during cross-examination.
The fourth suspect who was a fugitive abroad was tasked by the first and second defendants to attack law enforcement personnel in their camp in the capital Manama using Kalashnikov guns they had received via 'dead mail'.