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| po·lyg·o·num [ pə líggənəm ] (plural po·lyg·o·nums) |
noun |
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| Definition: |
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plant with knotty stem joints: a plant with bulbous stem joints and spikes of small flowers. Genus Polygonum.
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| [Early 18th century. Via modern Latin< Greek polugonon "knotgrass," literally "many-jointed" < gonu "knee, joint"] |
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