plural noun

: a family of South American herbs (order Xyridales) somewhat resembling members of the family Juncaceae and having a greenish perianth in two series, six anthers, and numerous capitate flowers subtended by two foliaceous bracts

Word History


New Latin, from Rapatea, type genus (probably from a native name in Guiana) + -aceae

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Dictionary Entries Near Rapateaceae

Cite this Entry

“Rapateaceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rapateaceae. Accessed 24 Jul. 2024.

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