black metal
n (Music, other)
a. a type of heavy-metal music characterized by extremely nihilistic and satanic lyrics, a repetitive drum beat rapidly alternating betweeen the snare and bass drum (a blast beat), and the ghoulish make-up worn by performers (corpse paint)
b. (as modifier): a black-metal band.
[C20: from the title of an LP by British rock group Venom]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014