| Main Entry: | |
| Part of Speech: | noun |
| Definition: | airplane |
| Synonyms: | UFO, airliner, airship, balloon, blimp, chopper, dirigible, flying machine, flying saucer, helicopter, jet, zeppelin |
| Main Entry: | balloon |
| Part of Speech: | noun |
| Definition: | inflated material or vehicle |
| Synonyms: | airship, bladder, blimp, dirigible, zeppelin |
| Main Entry: | plane |
| Part of Speech: | noun |
| Definition: | aircraft |
| Synonyms: | airbus, airplane, airship, bird*, craft, crate, jet, ship, twin-engine |
| Notes: | plane is essentially the same word as plain, both ultimately coming from Latin planus 'flat' or 'clear' |