HyperDic

English > 1 sense of the expression flying saucer:
NOUNcognitionflying saucer, unidentified flying object, UFOan (apparently) flying object whose nature is unknown
English > flying saucer: 1 sense > noun 1, cognition
MeaningAn (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins.
Synonymsunidentified flying object, UFO
Broaderapparition, phantom, phantasm, phantasma, fantasm, shadowSomething existing in perception only