turret light
n.— «None of the unmarked police cars on the street displayed “turret lights.”» —“Three Men Who Had No Reason to Run” by Jim Dwyer New York Times Apr. 5, 2008. (source: Double-Tongued Dictionary)
Further reading
Book recommendations and the art of apology. Martha and Grant share some good reads, including an opinionated romp through English grammar, a Spanish-language adventure novel, an account of 19th-century dictionary wars, and a gorgeously illustrated...
Barbara Kingsolver’s book Demon Copperhead is a retelling of Charles Dickens’ David Copperfield set in today’s Appalachia. Martha shares memories of a long-ago visit to Kingsolver’s family farm in Virginia, where they...
Turret light may refer to the turret shaped red or blue lights on the roof of some Police cars. Sometimes removable – possibly via strong magnets – and may be related to the term “Kojak Light”