| Main Entry: | unidentified flying object |
| Part of Speech: | noun |
| Definition: | unknown flying object |
Synonyms: |
UFO, extraterrestrial spacecraft, flying saucer, spacecraft, spaceship |
| Main Entry: | flying saucer |
| Part of Speech: | noun |
| Definition: | spaceship |
Synonyms: |
UFO, extraterrestrial spacecraft, extraterrestrial vessel, spacecraft, spaceship, unidentified flying object |
| Main Entry: | spacecraft |
| Part of Speech: | noun |
| Definition: | spaceship |
Synonyms: |
UFO, flying saucer, rocket, rocket ship, satellite, shuttle, space capsule, space probe, space shuttle, unidentified flying object |