From the bird's piercing cry.
devil screecher (plural devil screechers)
- (archaic, Britain) A swift.
- 1883, Edgar MacCulloch, Notes, Queries, Notices and News, The Folk-Lore Journal, Vol. 1, No. 12, page 394
- My informant seemed to look upon the swift as an uncanny bird, and called it by a name I had never heard before, devil-screecher.