black triangle
Noun
Meaning
Used other than figuratively or idiomatically: see black, triangle.
(ufology) One of a class of triangle-shaped unidentified flying objects, usually with a light in each corner.
Source: en.wiktionary.orgNoun
Used other than figuratively or idiomatically: see black, triangle.
(ufology) One of a class of triangle-shaped unidentified flying objects, usually with a light in each corner.
Source: en.wiktionary.org