GNU Collaborative International Dictionary of English

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1.       
   Calabar , n. A district on the west coast of Africa.
   1913 Webster
   Calabar bean, The of a climbing legumious plant (Physostigma venenosum), a native of tropical Africa. It is highly poisonous. It is used to produce contraction of the pupil of the eye; also in tetanus, neuralgia, and rheumatic diseases; -- called also ordeal bean, being used by the negroes in trials for witchcraft.
   1913 Webster