Medical Dictionary
catechu
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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