Definition of flying saucer noun from the Oxford Advanced Learner's Dictionary


flying saucer

BrE BrE//ˌflaɪɪŋ ˈsɔːsə(r)//
; NAmE NAmE//ˌflaɪɪŋ ˈsɔːsər//
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a round spacecraft that some people claim to have seen and that some people believe comes from another planet compare UFO
See the Oxford Advanced American Dictionary entry: flying saucer