euphorbia Meaning, Definition & Usage

  1. noun type genus of the Euphorbiaceae: very large genus of diverse plants all having milky juice
    genus Euphorbia.

WordNet

Eu*phor"bi*a noun
Etymology
NL., fr. L. euphorbea. See Euphorrium.
Definitions
  1. (Bot.) 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.

Webster 1913