from The Century Dictionary.
- noun A genus of apetalous plants of the order Euphorbiaceæ, tribe Crotoneæ, and subtribe Acalypheæ.
- noun In cntom., an old genus of bird-lice.
from the GNU version of the Collaborative International Dictionary of English.
- noun (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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a genus of herb having only one known species: castor-oil plant
Sorry, no etymologies found.
Castor oil is extracted from the seeds of the castor oil plant whose Botanical name is ricinus communis.
Here tobacco, orchilla, and indigo in the higher, and sugar-cane, rice, and ricinus on the lower lands flourish to perfection.
Ribes sanguineum ribes species richardia ricinus rill "improved"
A gross feeder, as the ricinus, in the midst of a bed of delicate annuals, is quite out of place; and a stately, royal-looking plant among humbler kinds often makes the latter look common, when if headed with a chief of their own rank all would appear to the best advantage.
This is the castor-oil plant, a species of ricinus, the palma Christi, so called from the palmate division of its leaves.
By George, though, that Paoli must be a clever one -- think of his knowing about ricinus.
Haug has observed a tic (ixodes ricinus) in the ear of a lad of seventeen.
Haug 10.70 has observed a tic (ixodes ricinus) in the ear of a lad of seventeen.
For instance, you will not shadow your lively little verbenas with the stately growth of a tall ricinus; nor force the tea roses to keep house near the marigolds.
Beans of ricinus are said by Boussingault to be about four times more rich in oil than either flaxseed, olives, or sunflower seed.
Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs