Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A weedy, annual Eurasian plant (Brassica nigra) in the mustard family, having racemes of yellow flowers and pungent seeds used as a spice.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun widespread Eurasian annual plant cultivated for its pungent seeds; a principal source of table mustard
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