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Meaning of charlock

char•lock

Pronunciation: (chär'luk), [key]
— n.
  1. a wild mustard, Brassica kaber, having lobed, ovate leaves and clusters of small, yellow flowers, often troublesome as a weed in grainfields.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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