mail drop

noun

Definition of mail drop

1 : an address used in transmitting secret communications
2 : a receptacle or a slot for deposit of mail

First Known Use of mail drop

1945


MAIL DROP Defined for English Language Learners

mail drop

noun

Definition of mail drop for English Language Learners

  • : a place or address where mail or messages can be left for someone

  • : a box in which mail can be placed


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