Decoding The PR MachineIf a PR rep is waving something shiny in their left hand, you might want to look to see what they're hiding in their right hand.
Origin of dredging machine
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for dredging machine
Among them are the gunboats,—a cross between a floating fort, a dredging-machine, and a mud-scow.My Days and Nights on the Battle-Field|Charles Carleton Coffin
Perhaps one of the young gentlemen would like a dredging-machine?