black triangle

Noun

 * 1)  One of a class of triangle-shaped unidentified flying objects, usually with a light in each corner.
 * 2) * 2005, Bill Foster, Peggy Foster, Nadine Wheeler, The Black Triangle Abduction, The Invisible College Press, page 22:
 * Somewhere behind that blinking yellow light that black triangle was hovering, (or moving only a few miles per hour), in our direction, straight at us.
 * Somewhere behind that blinking yellow light that black triangle was hovering, (or moving only a few miles per hour), in our direction, straight at us.