n. A cylindrical tube of pasteboard or metal filled with a mixture of niter, sulphur, charcoal, etc., which, on being ignited at the base, propels the tube forward by the impact of the liberated gases against the atmosphere.n. The lever by which a forge-bellows is inflated.To fly straight up rapidly when flushed, as a pheasant.n. In old usage, the salad-plant Eruca sativa. See Eruca.n. In modern usage, a plant of the genus Hesperis, chiefly H. matronalis, also called dame's-violet or -rocket, garden-rocket, or white rocket.n. One of various other plants, chiefly Cruciferæ. See phrases.n. An obsolete or dialectal form of rochet.n. A portion.n. Same as water-rocket, 3.