Definify.com
Webster 1913 Edition
Ricinus
‖
Ric′i-nus
,Noun.
[L., the castor-oil plant.]
(Bot.)
A genus of plants of the Spurge family, containing but one species (
Ricinus communis
), the castor-oil plant. The fruit is three-celled, and contains three large seeds from which castor oil is expressed. See Palma Christi
.