from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A Mediterranean plant (Eruca vesicaria subsp. sativa) having flowers with purple-veined, yellowish-white petals and pungent, edible leaves. Also called rocket2, rocket salad, roquette.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A yellowish-flowered Mediterranean herb of the mustard family; which has flavoured leaves, often eaten in salads. Has a distinct, peppery flavor.
from the GNU version of the Collaborative International Dictionary of English
- n. an erect European annual (Eruca vesicaria sativa) of the mustard family, often grown as a salad crop to be harvested when young and tender.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. erect European annual often grown as a salad crop to be harvested when young and tender
Probably Italian dialectal, from Latin ērūca, cabbage.(American Heritage® Dictionary of the English Language, Fourth Edition)
Probably Italian (dial. Lombardy) arigola. (Eng. usg. 1967) (Wiktionary)