or  ipe*ca*cu*a*nha  n 1  :  the dried rhizome and roots of either of two tropical American plants (Cephaelis acuminata and C. ipecacuanha) of the madder family (Rubiaceae) used esp. as a source of emetine and cephaeline : also  :  either of these plants  2  :  an emetic and expectorant preparation of ipecac : esp  :  IPECAC SYRUP .
 
 
 
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