UFO /ˈjuːfəʊ, ˌjuː ef ˈəʊ $ -foʊ, -ˈoʊ/ BrE AmE noun [countable]
(unidentified flying object) a strange object in the sky, that some people believe is a ↑ spaceship from another world SYN flying saucer
UFO /ˈjuːfəʊ, ˌjuː ef ˈəʊ $ -foʊ, -ˈoʊ/ BrE AmE noun [countable]
(unidentified flying object) a strange object in the sky, that some people believe is a ↑ spaceship from another world SYN flying saucer
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012