Medical Dictionary


noun cat·e·chu \ˈkat-ə-ˌchü, -ˌshü\

Medical Definition of CATECHU

:  any of several dry, earthy, or resinous astringent substances obtained from tropical plants of Asia: as a :  an extract of the heartwood of an East Indian acacia (Acacia catechu) that was formerly used in medicine b :  gambier


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