milk run
noun Slang.
a routine trip or undertaking, especially one presenting little danger or difficulty: The flight from New York to Chicago was a milk run for the experienced pilot and crew.
Origin of milk run
First recorded in 1940–45
Words nearby milk run
milk powder,
milk pudding,
milk punch,
milk ring test,
milk round,
milk run,
milk shake,
milk sickness,
milk snake,
milk spots,
milk stout
British Dictionary definitions for milk run
milk run
noun
aeronautics informal
a routine and uneventful flight, esp on a dangerous mission
Word Origin for milk run
C20: referring to the regular and safe routine of a milkman's round