- any of various simple or complex tubelike devices containing combustibles that on being ignited liberate gases whose action propels the tube through the air: used for pyrotechnic effect, signaling, carrying a lifeline, hurling explosives at an enemy, putting a space vehicle into orbit, etc.
- a space capsule or vehicle put into orbit by such devices.
- rocket engine.
- to move or transport by means of a rocket.
- to attack with rockets.
- to move like a rocket.
- (of game birds) to fly straight up rapidly when flushed.
- any of various plants belonging to the genus Hesperis, of the mustard family, and related genera.
- the arugula plant, used in salads.
- a noxious weed, Barbarea vulgaris, of the United States, having lobed leaves and clusters of small, yellow flowers.
- a self-propelling device, esp a cylinder containing a mixture of solid explosives, used as a firework, distress signal, line carrier, etc
- any vehicle propelled by a rocket engine, esp one used to carry a warhead, spacecraft, etc
- (as modifier)
- a severe reprimand (esp in the phrase get a rocket)
- to propel (a missile, spacecraft, etc) by means of a rocket
- to move off at high speed
- to rise rapidly
- a Mediterranean plant, Eruca sativa, having yellowish-white flowers and leaves used as a salad: family Brassicaceae (crucifers)
- any of several plants of the related genus Sisymbrium, esp S. irio (London rocket), which grow on waste ground and have pale yellow flowers
- any of several yellow-flowered plants of the related genus Barbarea, esp B. vulgaris
- any of several plants of the related genus Cakile, esp C. maritima, which grow along the seashores of Europe and North America and have mauve, pink, or white flowers
- dame's rocket another name for dame's violet
