castor bean

English Thesaurus

1. the toxic seed of the castor-oil plant; source of castor oil (noun.plant)

hypernym	:	oil-rich seed, oilseed,
definition	:	any of several seeds that yield oil (noun.plant)

part meronym	:	castor bean plant, castor-oil plant, palma christ, palma christi, ricinus communis,
definition	:	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 (noun.plant)