from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of numerous plants of the genus Ranunculus, including the buttercups.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any plant of the genus Ranunculus; the buttercup or crowfoot.
New Latin Rānunculus, genus name, from Latin rānunculus, a kind of medicinal plant, diminutive of rāna, frog, perhaps of imitative origin.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin rānunculus. (Wiktionary)