roaring fortiesとは 意味・読み方・使い方

名詞

roaring forties pl (複数形 only)

1. The area of the earth between 40 and 50 degrees south, prone to gale-force westerly winds.
   • 1998, Derek Lundy, chapter 1, in Godforsaken Sea: Racing the World's Most Dangerous Waters‎^[1], page 5:

     Its official demarcation is forty degrees south latitude. It includes the latitudes sailors long-ago nicknamed the roaring forties, the furious fifties, and the screaming sixties. It's an area of almost constant high wind and frequent gales, often exceeding hurricane strength.