rocket salad

rocket2 ( def 2 ). Unabridged


2 [rok-it]
any of various plants belonging to the genus Hesperis, of the mustard family, and related genera. Compare dame's rocket.
Also called rocket salad, roquette. arugula.
a noxious weed, Barbarea vulgaris, of the U.S., having lobed leaves and clusters of small, yellow flowers.

1520–30; < French roquette < Italian ruchettaLatin ērūca kind of herb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
rocket1 (ˈrɒkɪt)
1.  a self-propelling device, esp a cylinder containing a mixture of solid explosives, used as a firework, distress signal, line carrier, etc
2.  a.  any vehicle propelled by a rocket engine, esp one used to carry a warhead, spacecraft, etc
 b.  (as modifier): rocket propulsion; rocket launcher
3.  informal (Brit), (NZ) a severe reprimand (esp in the phrase get a rocket)
vb , -ets, -eting, -eted
4.  (tr) to propel (a missile, spacecraft, etc) by means of a rocket
5.  (intr; foll by off, away, etc) to move off at high speed
6.  (intr) to rise rapidly: he rocketed to the top
[C17: from Old French roquette, from Italian rochetto a little distaff, from rocca distaff, of Germanic origin]

rocket2 (ˈrɒkɪt)
1.  Also called: arugula a Mediterranean plant, Eruca sativa, having yellowish-white flowers and leaves used as a salad: family Brassicaceae (crucifers)
2.  any of several plants of the related genus Sisymbrium, esp S. irio (London rocket), which grow on waste ground and have pale yellow flowers
3.  yellow rocket any of several yellow-flowered plants of the related genus Barbarea, esp B. vulgaris
4.  sea rocket 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
5.  dame's rocket another name for dame's violet
[C16: from French roquette, from Italian rochetta, from Latin ērūca a caterpillar, hairy plant]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

"garden plant of the cabbage family," 1530, from M.Fr. roquette, from It. rochetta, dim. of ruca "a kind of cabbage," from L. eruca "colewort," perhaps lit. "hairy caterpillar" (the plant has downy stems) and related to ericus "hedgehog."

"projectile," 1611, from It. rocchetto "a rocket," lit. "a bobbin," dim. of rocca "a distaff," so called because of cylindrical shape. The It. word probably is from a Gmc. source (cf. O.H.G. rocko "distaff," O.N. rokkr), from P.Gmc. *rukka-, from PIE base *rug- "to spin." Originally "fireworks rocket,"
meaning "device propelled by a rocket engine" first recorded 1919; rocket-ship first attested 1927. The verb meaning "to spring like a rocket" is from 1883.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
rocket   (rŏk'ĭt)  Pronunciation Key 
A vehicle or device propelled by one or more rocket engines, especially such a vehicle designed to travel through space.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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