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noun mead·ow·sweet \ˈme-dō-ˌswēt, -də-\

Definition of meadowsweet

  1. 1 :  any of several spireas; especially :  a North American native or naturalized spirea (as Spiraea alba and S. latifolia)

  2. 2 :  any of a genus (Filipendula) of herbs closely related to the spireas

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