EUPHORBIA
Euphorbia, genus Euphorbia
(noun) type genus of the Euphorbiaceae: very large genus of diverse plants all having milky juice
Source: WordNet® 3.1
Etymology
Noun
euphorbia (plural euphorbias)
Any plant of the genus Euphorbia, the spurges.
Source: Wiktionary
Eu*phor"bi*a, n. Etym: [NL., fr. L. euphorbea. See Euphorrium.]
(Bot.)
Definition: Spurge, or bastard spurge, a genus of plants of many species,
mostly shrubby, herbaceous succulents, affording an acrid, milky
juice. Some of them are armed with thorns. Most of them yield
powerful emetic and cathartic products.
Source: Webster’s Unabridged Dictionary 1913 Edition