Source : Webster's Revised Unabridged Dictionary (1913)
Rocket \Rock"et\, n. [F. roquette (cf. Sp. ruqueta, It
ruchetta), fr. L. eruca.] (Bot.)
(a) A cruciferous plant ({Eruca sativa}) sometimes eaten in
Europe as a salad.
(b) Damewort.
(c) Rocket larkspur. See below.
{Dyer's Rocket}. (Bot.) See {Dyer's broom}, under {Broom}.
{Rocket larkspur} (Bot.), an annual plant with showy flowers
in long racemes ({Delphinium Ajacis}).
{Sea rocket} (Bot.), either of two fleshy cruciferous plants
({Cakile maritima} and {C. Americana}) found on the
seashore of Europe and America.
{Yellow rocket} (Bot.), a common cruciferous weed with yellow
flowers ({Barbarea vulgaris}).
Source : WordNet®
dyer's rocket
n : European mignonette cultivated as a source of yellow dye;
naturalized in North America [syn: {dyer's mignonette}, {weld},
{Reseda luteola}]