noun astil·be \ə-ˈstil-(ˌ)bē\

Definition of astilbe

  1. :  any of a genus (Astilbe) of chiefly Asian perennials of the saxifrage family that have simple or usually compound leaves and are widely cultivated for their panicles of usually white, pink, or red flowers

Origin and Etymology of astilbe

New Latin, from 2a- + Greek stilbē, feminine of stilbos sparkling

First Known Use: 1827

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