plural noun Bu·to·ma·ce·ae \ˌbyütəˈmāsēˌē\

Definition of Butomaceae

  1. :  a small family of monocotyledonous water or marsh herbs (order Naiadales) distinguished chiefly by the many ovules and the dehiscent carpels of the fruit — compare water poppy



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Origin and Etymology of butomaceae

New Latin, from Butomus, type genus + -aceae

Seen and Heard

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a rounded knoll or a ridge of ice

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