Wa·ter crow·foot Bot. An aquatic kind of buttercup (Ranunculus aquatilis), used as food for cattle in parts of England.
Great water crowfoot, an American water plant (Ranunculus multifidus), having deep yellow flowers.
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Ranunculus aquatilis
n : plant of ponds and slow streams having submerged and
floating leaves and white flowers; Europe and North
America [syn: water crowfoot, water buttercup]