rocket definition

1. any vehicle self-propelled by a rocket engine
2. a jet engine containing its own propellant and driven by reaction propulsion
3. erect European annual often grown as a salad crop to be harvested when young and tender
4. propels bright light high in the sky, or used to propel a lifesaving line or harpoon
5. shoot up abruptly, like a rocket
• examples: prices skyrocketed
6. propel with a rocket