n.
Pronunciation: ˌ yü-( ˌ )ef- ' ō
Function: noun
Inflected Form: plural UFO's or UFOs \ - ' ō z \
Etymology: u nidentified f lying o bject
Date: 1953
: an unidentified flying object especially : FLYING SAUCER
n.
Pronunciation: ˌ yü-( ˌ )ef- ' ō
Function: noun
Inflected Form: plural UFO's or UFOs \ - ' ō z \
Etymology: u nidentified f lying o bject
Date: 1953
: an unidentified flying object especially : FLYING SAUCER
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012