mail cover
Word Rarity
Uncommon
Frequency: Zipf frequency 4.56 in modern English
16
Scrabble Score
9
Letters
3
Syllables
9
Unique Chars
Meaning
noun
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.
American usage
Usage
- American usage