1. (New Testament) the four evils that will come at the end of the world: conquest rides a white horse; war a red horse; famine a black horse; plague a pale horse;
WordNet (r) 3.0 (2006):
Four Horsemen
n 1: (New Testament) the four evils that will come at the end of
the world: conquest rides a white horse; war a red horse;
famine a black horse; plague a pale horse