noun
minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond
• Syn: ↑genus Wolffia
• Hypernyms: ↑monocot genus, ↑liliopsid genus
• Member Holonyms: ↑Lemnaceae, ↑family Lemnaceae, ↑duckweed family
• Member Meronyms: ↑watermeal
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\\ˈwu̇lfēə, ˈvȯl-\ nounUsage: capitalized
: a genus of widely distributed floating aquatic plants (family Lemnaceae) that are the smallest flowering plants known, consist merely of a minute ovoid or globose leafless thallus producing the flowers from clefts or grooves, and are distinguished from members of the genus Lemna by the one-celled anthers and by the absence of roots
Useful english dictionary. 2012.