castor bean | | |
n. (plant) | 1. castor bean | the toxic seed of the castor-oil plant; source of castor oil. |
| ~ oil-rich seed, oilseed | any of several seeds that yield oil. |
| ~ castor-oil plant, castor bean plant, palma christ, palma christi, ricinus communis | large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics. |
castor-oil plant | | |
n. (plant) | 1. castor bean plant, castor-oil plant, palma christ, palma christi, ricinus communis | large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics. |
| ~ castor bean | the toxic seed of the castor-oil plant; source of castor oil. |
| ~ genus ricinus, ricinus | a genus of herb having only one known species: castor-oil plant. |
| ~ bush, shrub | a low woody perennial plant usually having several major stems. |
ricinus communis | | |
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