arson dog
n.— «Their job is accelerant-detection canine, better known as an arson dog. The Labrador retrievers are trained to sniff out accelerants such as gasoline, kerosene or lighter fluid at a scene when arson is suspected.» —“Sniffing out a fire culprit” by Steve Stein Journal Star (Peoria, Illinois) June 4, 2008. (source: Double-Tongued Dictionary)
Further reading
Eduarda phones from Rio de Janeiro, Brazil, to ask about the English expression burn the midnight oil, meaning “to work late.” The phrase goes back to the days of having to use oil lamps for illumination at night. A Spanish idiom somewhat along...
Quntos KunQuest has been incarcerated at Angola, the Louisiana State Penitentiary, since 1997. His new novel This Life (Bookshop|Amazon), which draws on his experiences there, has earned acclaim in The New Yorker. KunQuest’s characters are vividly...