mail drop
noun
a receptacle or one of a series of pigeonholelike slots, as in an office, into which incoming mail is placed for pickup.
Origin of mail drop
First recorded in 1970–75
Words nearby mail drop
maikop,
mail,
mail bomb,
mail car,
mail carrier,
mail drop,
mail flag,
mail merging,
mail order,
mail-cheeked,
mail-in
British Dictionary definitions for mail drop
mail drop
noun
mainly US and Canadian
a receptacle or chute for mail