Oxford Dictionary English flying saucer nounnoun BrE BrE//ˌflaɪɪŋ ˈsɔːsə(r)// ; NAmE NAmE//ˌflaɪɪŋ ˈsɔːsər// Add to my wordlistjump to other resultsa round spacecraft that some people claim to have seen and that some people believe comes from another planet compare UFOSee flying saucer in the Oxford Advanced American DictionaryCheck pronunciation: flying saucer oxfordlearnersdictionaries.com