Search Result for "frogbit": 
Wordnet 3.0

NOUN (1)

1. European floating plant with roundish heart-shaped leaves and white flowers;
[syn: frogbit, frog's-bit, Hydrocharis morsus-ranae]


The Collaborative International Dictionary of English v.0.48:

frogbit \frog"bit`\, frog's-bit \frog's-bit\, n. (Bot.) (a) A European plant (Hydrocharis Morsus-ran[ae]), floating on still water and propagating itself by runners. It has roundish heart-shaped leaves and small white flowers. (b) An American plant (Limnobium Spongia), with similar habits. [1913 Webster]
WordNet (r) 3.0 (2006):

frogbit n 1: European floating plant with roundish heart-shaped leaves and white flowers [syn: frogbit, frog's-bit, Hydrocharis morsus-ranae]