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mail cover

(US) An investigative technique in which the United States Postal Service, acting at the request of a law enforcement agency, records information from the outside of letters and parcels before they ar

ˈmeɪl ˈkʌvɚ148 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 27, 2026

(US) An investigative technique in which the United States Postal Service, acting at the request of a law enforcement agency, records information from the outside of letters and parcels before they are delivered and sends that information to the requesting agency.

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🗺️About Regional & Other slang

Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.

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