[ˈrɑːkɪt]
Definition:
1. Any vehicle 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.