- any of various disk-shaped objects allegedly seen flying at high speeds and altitudes, often with extreme changes in speed and direction, and thought by some to be manned by intelligent beings from outer space.
Origin of flying saucer
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any disc-shaped flying object alleged to come from outer space
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012