Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An annual plant (Matricaria discoidea) in the composite family, having small greenish-yellow discoid flower heads and an odor of pineapple when crushed, and widely distributed as a weed.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers
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