- A resinous substance flowing spontaneously from trees of Zanzibar, Madagascar, and South America (Trachylobium Hornemannianum, T. verrucosum, and Hymenaea Courbaril), and dug from earth where forests have stood in Africa; -- used chiefly in making varnishes.
- A resinous product of the kauri, found in the form of yellow or brown lumps in the ground where the trees have grown. It is used for making varnish, and as a substitute for amber.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). copal. Retrieved September 24, 2026, from http://smartdefine.org/copal/definitions/1991434 |
| Chicago | Webster's. 2011. "copal" http://smartdefine.org/copal/definitions/1991434 (accessed September 24, 2026). |
| Harvard | Webster's 2011, copal, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/copal/definitions/1991434>. |
| MLA | Webster's. "copal" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/copal/definitions/1991434> |