Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: castor bean  kãs-tu(r) been
  1. The toxic seed of the castor-oil plant; source of castor oil

Derived forms: castor beans

Type of: oil-rich seed, oilseed

Part of: castor bean plant, castor-oil plant, palma christ, palma christi, Ricinus communis

Encyclopedia: Castor bean