from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A plant of the genus Euphorbia, which includes the spurges.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any plant of the genus Euphorbia; the spurges
Middle English euforbia, from Latin euphorbea, after Euphorbus, first-century A.D. Greek physician.(American Heritage® Dictionary of the English Language, Fourth Edition)