Webster’s Revised Unabridged Dictionary · 1913
Copaiba
Co·pai′ba, Co·pai′va, n. [Sp. & Pg., fr. Brazil. cupaúba.] (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.]