mail dropnoun [ C ]
also maildrop ukusUS COMMUNICATIONSan address used only to receive letters and packages to be picked up later:
Many entrepreneurs have a prestigious office address that's really just a mail drop.
a container that holds letters and packages until they are picked up:
There is now a drive-by mail drop around the side of the building.
a time when letters and packages are delivered:
First thing in the morning I had a mail drop to sort and file.