Najadaceae na·ja·da·ceae uncommon noun 1. monotypic family of aquatic plants having narrow leaves and small flowers SynonymsNaiadaceaefamily Naiadaceaefamily Najadaceaenaiad family Related words Broader terms monocot family Parts Naiadales Part of Naias WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
