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).
Rock"et (?), n. [It. rocchetta,
fr. rocca a distaff, of German origin. Named from the
resemblance in shape to a distaff. See Rock a distaff.]
1. An artificial firework consisting of a
cylindrical case of paper or metal filled with a composition of
combustible ingredients, as niter, charcoal, and sulphur, and fastened
to a guiding stick. The rocket is projected through the air by the
force arising from the expansion of the gases liberated by combustion
of the composition. Rockets are used as projectiles for various
purposes, for signals, and also for pyrotechnic display.
2. A blunt lance head used in the
joust.
Congreve rocket, a powerful form of rocket
for use in war, invented by Sir William Congreve. It may be used
either in the field or for bombardment; in the former case, it is
armed with shells or case shot; in the latter, with a combustible
material inclosed in a metallic case, which is inextinguishable when
kindled, and scatters its fire on every side.
Rock"et, v. i. [imp. & p.
p. Rocketed; p. pr. & vb. n.
Rocketing.] (Sporting) To rise straight up; said of
birds; usually in the present participle or as an adjective.
[Eng.]
An old cock pheasant came rocketing over
me.
H. R. Haggard.
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).
Rock"et (?), n. [It. rocchetta,
fr. rocca a distaff, of German origin. Named from the
resemblance in shape to a distaff. See Rock a distaff.]
1. An artificial firework consisting of a
cylindrical case of paper or metal filled with a composition of
combustible ingredients, as niter, charcoal, and sulphur, and fastened
to a guiding stick. The rocket is projected through the air by the
force arising from the expansion of the gases liberated by combustion
of the composition. Rockets are used as projectiles for various
purposes, for signals, and also for pyrotechnic display.
2. A blunt lance head used in the
joust.
Congreve rocket, a powerful form of rocket
for use in war, invented by Sir William Congreve. It may be used
either in the field or for bombardment; in the former case, it is
armed with shells or case shot; in the latter, with a combustible
material inclosed in a metallic case, which is inextinguishable when
kindled, and scatters its fire on every side.
Rock"et, v. i. [imp. & p.
p. Rocketed; p. pr. & vb. n.
Rocketing.] (Sporting) To rise straight up; said of
birds; usually in the present participle or as an adjective.
[Eng.]
An old cock pheasant came rocketing over
me.
H. R. Haggard.
