flying saucer

noun3

1. •
   A disc-shaped unidentified flying object or UFO; originally in reference to sightings by aviator Kenneth Arnold in Washington in 1947.

   • Some connect the recent spate of flying saucer sightings with a rumored top-secret military aviation project.
2. •
   An alien interplanetary vessel, typically disc-shaped and of metallic construction.
3. •
   A form of confectionery, a small spheroidal capsule of rice paper filled with sherbet.