sweep
n.— «Someone at my company was jumpseating on FedEx and he said the crew told him he was on a flight that would do what was known as sweeps. Staying in the air for about an extra hour in case a plane broke down somewhere at an outstation.» —“FDX (and maybe UPS?) “Sweeps” – A Question from an Outsider” by contrails Airline Pilot Forums Dec. 29, 2007. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
David from Kalamazoo, Michigan, is a former truck driver who remembers that his fellow users of CB radio tended to sound similar, no matter what part of the country they were from. Is there such a thing as an occupational accent? Many of those truck...