Source : Webster's Revised Unabridged Dictionary (1913)

Copaiba \Co*pai"ba\ (?; 277), Copaiva \Co*pai"va\, n. [Sp. &
   Pg., fr. Brazil. cupa['u]ba.] (Med.)
   A more or less viscid, yellowish liquid, the bitter oleoresin
   of several species of {Copaifera}, a genus of trees growing
   in South America and the West Indies. It is stimulant and
   diuretic, and is much used in affections of the mucous
   membranes; -- called also {balsam of copaiba}. [Written also
   {capivi}.]