/chahr"leuhk/, n.
a wild mustard, Brassica kaber, having lobed, ovate leaves and clusters of small, yellow flowers, often troublesome as a weed in grainfields.
[bef. 1000; ME cherlok, OE cerlic < ?]

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      (Brassica kaber, or Sinapis arvensis), early-flowering weed of the mustard family (Brassicaceae), once widespread in grainfields in Europe and North America. Charlock reaches 1 metre (3 feet) and has stiff bristles on the stems and leaves. The long pod fruits, which form after the yellow flowers bloom, each enclose 10 to 12 black seeds that may remain viable for more than a decade. The closely related white mustard (B. hirta or Sinapis alba) has vanilla-fragrant, yellow flowers from which develop three to six large, yellow-seeded, bristly pods, swollen around the seeds. The seeds of both species contain a clear oil that is poisonous to livestock. White mustard seeds are a source of the condiment known as mustard, and the seedlings at the cotyledon stage yield cress.

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Universalium. 2010.

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Look at other dictionaries:

  • Charlock — Char lock, n. [AS. cerlic; the latter part perh. fr. AS. le[ a]c leek. Cf. {Hemlock}.] (Bot.) A cruciferous plant ({Brassica sinapistrum}) with yellow flowers; wild mustard. It is troublesome in grain fields. Called also {chardock}, {chardlock},… …   The Collaborative International Dictionary of English

  • charlock — [chär′lək] n. [ME cherlok < OE cerlic] a weed (Brassica kaber) of the crucifer family, with yellow flowers …   English World dictionary

  • charlock — Harlock Har lock (h[aum]r l[o^]k), n. Probably a corruption either of {charlock} or {hardock}. Drayton. [1913 Webster] …   The Collaborative International Dictionary of English

  • charlock — Mustard Mus tard, n. [OF. moustarde, F. moutarde, fr. L. mustum must, mustard was prepared for use by being mixed with must. See {Must}, n.] 1. (Bot.) The name of several cruciferous plants of the genus {Brassica} (formerly {Sinapis}), as {white… …   The Collaborative International Dictionary of English

  • charlock — garstyčia statusas T sritis augalininkystė atitikmenys: lot. Sinapis angl. charlock; mustard rus. горчица …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • charlock — noun Etymology: Middle English cherlok, from Old English cerlic Date: before 12th century an Old World mustard (Brassica kaber syn. Sinapis arvensis) that is a common weed in grain fields called also wild mustard …   New Collegiate Dictionary

  • charlock — noun Any of several yellow flowered cruciferous weeds of grain fields, especially wild mustard …   Wiktionary

  • charlock — char·lock || tʃɑːlÉ’k n. wild mustard, weedy plant of the mustard family which is troublesome as a weed in grain fields (Botany) …   English contemporary dictionary

  • charlock — [ tʃα:lɒk] noun a wild mustard with yellow flowers. [Sinapis arvensis.] Origin OE cerlic, cyrlic; of unknown origin …   English new terms dictionary

  • charlock — char·lock …   English syllables

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