Webster's English Dictionary

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copaiba

co.pai.ba \ko--'pi--b*, -'pa--; .ko--p*-'e--b*\ n [Sp & Pg; Sp, fr. Pg 
   copai'ba, of Tupian origin; akin to Guarani cu]paiba copaiba : a stimulant 
   oleoresin obtained from So. American leguminous trees (genus  Copaifers); 
   also : one of these trees